xuan21 发表于 2007-10-3 13:26

一道题目,用matlab编程

&nbsp;<div vshape="_x0000_s1026"><div class="O" style="TEXT-ALIGN: justify; mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><nobr><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -6.26%; WIDTH: 4.47%; POSITION: absolute; TOP: 10.52%; HEIGHT: 78.94%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>某海域上频繁地有各种吨位的船只经过。 </b></span></nobr></div><div class="O" style="TEXT-ALIGN: justify; mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -4.1%; WIDTH: 2.92%; POSITION: absolute; TOP: 12.72%; HEIGHT: 27.27%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>为保证船只的航行安全,有关机构在低潮时对水深进行了测量</b></span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>,</b></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>表</b></span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>3-8</b></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>是他们提供的测量数据</b></span><span style="FONT-SIZE: 32pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>: </b></span></div><div class="O1" style="TEXT-ALIGN: center; mso-line-spacing: &quot;100 -48 -48&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 60%; LEFT: 28.68%; COLOR: #40458c; FONT-FAMILY: Wingdings; POSITION: absolute; TOP: 0.61em; TEXT-ALIGN: left; mso-special-format: bullet; mso-color-index: 1;">n</span></span><span style="COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>表</b></span><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>3-8. </b></span><span style="COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><b>水道水深的测量数据 </b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>x<span style="WIDTH: 1.42%; mso-tab-count: 1;">
                                        </span>129.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>140.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>103.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>88.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>185.5<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>195.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>105.5<span style="WIDTH: 7.54%; mso-tab-count: 1;">
                                        </span></b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>y<span style="WIDTH: 1.56%; mso-tab-count: 1;">
                                        </span><span style="mso-spacerun: yes;">&nbsp; </span>7.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>141.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>23.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>147.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>22.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>137.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>85.5<span style="WIDTH: 8.36%; mso-tab-count: 1;">
                                        </span></b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>z<span style="WIDTH: 1.9%; mso-tab-count: 1;">
                                        </span><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>4<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>8<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>6<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>8<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>6<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>8<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>8<span style="WIDTH: 2.97%; mso-tab-count: 1;">
                                        </span></b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b></b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>x<span style="WIDTH: 1.42%; mso-tab-count: 1;">
                                        </span>157.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>107.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>77.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>81.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>162.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>162.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>117.5<span style="WIDTH: 6.72%; mso-tab-count: 1;">
                                        </span></b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>y<span style="WIDTH: 1.56%; mso-tab-count: 1;">
                                        </span>-6.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-81.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>3.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>56.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>-66.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>84.0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-33.5<span style="WIDTH: 9.17%; mso-tab-count: 1;">
                                        </span></b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><b>z<span style="WIDTH: 1.9%; mso-tab-count: 1;">
                                        </span><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>9<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>9<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>8<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>8<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>9<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>4<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>9</b></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;"><strong></strong></span></div><div class="O1" style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 468; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">&nbsp;<div class="O" vshape="_x0000_s1026"><div style="mso-line-spacing: &quot;100 -48 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -3.88%; WIDTH: 2.77%; POSITION: absolute; TOP: 25.92%; HEIGHT: 55.55%;"/></span></span><strong><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">其中(</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">x, y</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">)为测量点,</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">z</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">为(</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">x, y</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">)处的水深</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">(</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">英尺</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">)</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">。 </span></strong></div><div style="mso-line-spacing: &quot;100 -48 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -4.14%; WIDTH: 2.95%; POSITION: absolute; TOP: 15.78%; HEIGHT: 78.94%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">船的吨位可以用其吃水深度来反映, </span></strong></div><div style="mso-line-spacing: &quot;100 -48 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -4.14%; WIDTH: 2.95%; POSITION: absolute; TOP: 25.92%; HEIGHT: 55.55%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">分为</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"> 4</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">英尺、</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">4.5</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">英尺、</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">5</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">英尺和</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"> 5.5</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">英尺</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"> 4 </span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">档。 </span></strong></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -3.48%; WIDTH: 2.49%; POSITION: absolute; TOP: 25.92%; HEIGHT: 55.55%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;"><span style="mso-spacerun: yes;">&nbsp;</span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">航运部门要在矩形海域(</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">75</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">,</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">200</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">)×(-</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">50</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">,</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">150</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">)上为</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">不同吨位的航船设置警示标记。 </span></strong></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -3.48%; WIDTH: 2.49%; POSITION: absolute; TOP: 10.52%; HEIGHT: 78.94%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">请根据测量的数据描述该海域的地貌,并绘制不同吨位的警示</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">线,供航运部门使用。 </span></strong></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -4.14%; WIDTH: 2.95%; POSITION: absolute; TOP: 22.22%; HEIGHT: 55.55%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">水深</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">z</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">是区域坐标(</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">x, y</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">)的函数</span><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">z= z (x, y</span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">), </span></strong></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -4.14%; WIDTH: 2.95%; POSITION: absolute; TOP: 15.78%; HEIGHT: 78.94%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">测量数据只是它的部分取值。</span><span lang="ZH-CN" style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;; mso-fareast-language: ZH-CN;">
                                                        </span></strong></div><div style="mso-line-spacing: &quot;100 20 0&quot;; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><strong><span style="FONT-SIZE: 133%; COLOR: black; FONT-FAMILY: &quot;Arial Black&quot;;"><span style="FONT-SIZE: 110%; COLOR: #6f89f7; FONT-FAMILY: Wingdings; mso-special-format: bullet; mso-bullet-image: &quot;C:\DOCUME~1\weng\LOCALS~1\Temp\msohtml1\01\clip_image001.gif&quot;; mso-color-index: 6;"><img alt="*" src="file:///C:/DOCUME~1/weng/LOCALS~1/Temp/msohtml1/01/clip_image001.gif" style="LEFT: -4.09%; WIDTH: 2.92%; POSITION: absolute; TOP: 10.52%; HEIGHT: 78.94%;"/></span></span><span style="FONT-SIZE: 24pt; COLOR: black; FONT-FAMILY: 黑体; mso-ascii-font-family: &quot;Arial Black&quot;; mso-fareast-font-family: 黑体; mso-hansi-font-family: &quot;Arial Black&quot;;">可绘制函数图象和等值线图,将不同吃水线标记图上</span></strong></div></div></span></div></div>

hougo 发表于 2009-9-10 13:45

我也很想了解这个问题
页: [1]
查看完整版本: 一道题目,用matlab编程