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标题: 这个插值代码到底哪里错了嘛 [打印本页]

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作者: gaoyuan_1993    时间: 2013-8-26 10:51
标题: 这个插值代码到底哪里错了嘛
A=load('频率.txt');
  \/ W8 {8 v9 C+ mx=A(:,1);y = A(:,2);
z = A(:,3);
xlin = linspace(min(x),max(x),30);
ylin = linspace(min(y),max(y),30);
[X,Y] = meshgrid(xlin,ylin);
( k4 P: n. C2 B1 F( g% R& {Z=griddata(x,y,z,xlin,ylin,'cubic');
mesh(X,Y,Z) %interpolated
) @2 R. A' T- D) t# {3 P# k. maxis tight; hold on
plot3(x,y,z,'.','MarkerSize',15) %nonuniform
0 d! x% L  `+ M  Y* {2 Q, w
, E7 q" ]$ o! |6 f- g0 D) D输入后会出现如下提示：
Error in ==> delaunayn at 81
t = qhullmx(x', 'd ', opt);
+ O6 Z2 \! P8 `+ @& oError in ==> griddata>cubic at 168
! f  a1 T7 Q8 u+ Y7 a* ?$ R& L    tri = delaunayn([x(:) y(:)]);
Error in ==> griddata at 92
* j1 t( v6 [* t7 q/ D3 E" x    zi = cubic(x,y,z,xi,yi,opt);
& h/ z% N/ O* K" b$ t! rError in ==> aa at 7
: p2 H6 N/ T$ O) B. ^4 ]: N: m$ _7 JZ=griddata(x,y,z,xlin,ylin,'cubic');

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