[下载]matlab 课件
<BR>一个不错matlab课件,尤其对于控制类专业 xiexie <DIV left"><IMG src="http://www.madio.net/bbs/skins/Default/topicface/face1.gif"></DIV><B></B><DIV>谢谢楼主!!!</DIV> thanks!!!!
stata8.2画图出现异常,有谁遇到过同样问题么
<P>stata8.2画图出现异常,有谁遇到过同样问题么<BR>安装了stata8.0,然后用8.2的exe覆盖<BR>born jan 10 2005<BR>画图出现异常,有些8.0支持的命令不支持了,设置version 8.0也无济于事。<BR>. version 8</P><P>. do "c:\data\test6"</P>
<P>. sysuse uslifeexp, clear<BR>(U.S. life expectancy, 1900-1999)</P>
<P>. gen diff = le_wm - le_bm </P>
<P>. label var diff "Difference"</P>
<P>. <BR>. #delimit ;<BR>delimiter now ;<BR>. line le_wm year, yaxis(1 2) xaxis(1 2) <BR>> || line le_bm year <BR>> || line diff year<BR>> || lfit diff year<BR>> ||, <BR>> ylabel(0(5)20, axis(2) gmin angle(horizontal))<BR>> ylabel(0 20(10)80, gmax angle(horizontal))<BR>> ytitle("", axis(2))<BR>> xlabel(1918,axis(2))<BR>> xtitle("",axis(2))<BR>> ytitle("Life expectancy at birth (years)")<BR>> title("White and black life expectancy")<BR>> subtitle("USA, 1900-1999")<BR>> note("Source: National Vital Statistics, Vol 50, No. 6" <BR>> "(1918 dip caused by 1918 Influenza Pandemic)")<BR>> legend(label(1 "White males") label(2 "Black males"))<BR>> legend(col(1) pos(3))<BR>> ;<BR>invalid label specifier, : 1918:<BR>invalid syntax<BR>invalid syntax<BR>r(198);</P>
<P>end of do-file<BR>r(198);</P>
<P>. do "c:\data\test2"</P>
<P>. sysuse lifeexp, clear<BR>(Life expectancy, 1998)</P>
<P>. gen gnp000 = gnppc/1000<BR>(5 missing values generated)</P>
<P>. label var gnp000 "人均GNP, 千元"</P>
<P>. label var lexp "出生期望寿命"</P>
<P>. scatter lexp gnp000, xsca(log) xlabel(.5 2.5 10(10)40, grid)<BR>invalid label specifier, : .5 2.5 10(10)40:<BR>invalid syntax<BR>invalid syntax<BR>r(198);</P>
<P>end of do-file<BR>r(198);<BR>. </P>
<P>另外原来图中的颜色1种是红色,1种是蓝色,现在全变成黑色和白色。<BR>. do "c:\data\test4"</P>
<P>. sysuse census, clear<BR>(1980 Census data by state)</P>
<P>. gen drate = divorce / pop18p </P>
<P>. label var drate "离婚率"</P>
<P>. scatter drate medage if state!="Nevada", msymbol(Oh) note("Stat<BR>> e data excluding Nevada" "Area of symbol proportional to state's populatio<BR>> n aged 18+")<BR>(analytic weights assumed)<BR>(analytic weights assumed)<BR>(note: named style p1 not found in class seriesstyle, default attributes used<BR>(note: named style circle not found in class markerstyle, default attributes<BR> used<BR>(note: named style p1 not found in class markerstyle, default attributes used</P>
<P>. <BR>end of do-file</P>
<P>设置version 6也无济于事<BR>. use "C:\DATA\ex1.dta", clear</P>
<P>. version 6</P>
<P>. graph x</P>
<P>. line x y<BR>(note: named style p1 not found in class seriesstyle, default attributes used<BR>(note: named style circle not found in class markerstyle, default attributes<BR> used<BR>(note: named style p1 not found in class markerstyle, default attributes used</P>
<P>另外,汉字在输出窗口能显示,但是选择的时候就变成乱码。<BR></P> 谢谢提供 <P>非常谢谢楼主.</P> <P>thank you very much </P> 谢谢了,看看。 <p>楼主好样的</p>