workerfei1 发表于 2011-9-9 18:39 
load A.mat%%读入矩阵
[X,Y]=meshgrid(A(:,1)',A(:,2)');
Z=repmat(A(:,3),1,length(A(:,3)));
您好,我也是四列类似的数据,按照您所给出的代码,运行后弹出??? Index exceeds matrix dimensions.。这种问题应该如何解决。谢谢。数据如下
x y z c
0.403245508 0.209822716 0.188457989 0.071059945
0.759990417 0.716125517 0.628782321 0.479072255
0.872233276 0.889229283 0.785091519 0.693355877
0.872233276 0.933126547 0.885417134 0.784475071
0.598019915 0.552063547 0.62230407 0.370434611
0.215867834 0.469918451 0.984117857 0.211055961
0.872233276 0.909871435 0.834061267 0.738425859
0.759990417 0.896224202 0.924533727 0.716989462
0.872233276 0.745641246 0.413101994 0.351663707
0.93890393 0.885643488 0.577345413 0.537399354
0.080671455 0.024307129 0.071183226 0.006048611
0.93890393 0.842603074 0.431202647 0.396583398
0.973555169 0.846737558 0.236383168 0.223633933
0.215867834 0.255196468 0.863570039 0.170197515
0.403245508 0.286092582 0.435020073 0.164225545
0.403245508 0.281788382 0.421619422 0.158993607
0.598019915 0.555431362 0.628863773 0.374694533
0.403245508 0.348199369 0.60736491 0.234078802
0.872233276 0.831329439 0.636805791 0.555349554
0.759990417 0.304590952 0.00601398 0.004369326
0.759990417 0.530933346 0.230627617 0.166887064
0.215867834 0.078945507 0.090306938 0.018969938
0.403245508 0.825692217 0.992823869 0.402393338
0.215867834 0.143470841 0.513194194 0.093858339
0.215867834 0.387288622 0.964683563 0.203472068
0.598019915 0.377453348 0.232268221 0.131649742
0.403245508 0.402958161 0.723267943 0.284320774
0.598019915 0.515267123 0.546798476 0.321957085
0.759990417 0.66792151 0.524492769 0.394292255
0.989563657 0.985084909 0.790926571 0.782526513
0.403245508 0.300461009 0.478545624 0.18139813
0.215867834 0.175656521 0.665242344 0.123236034
0.215867834 0.118439407 0.356295186 0.065941483
0.403245508 0.403191737 0.723692947 0.284510512
0.759990417 0.404125934 0.05290392 0.037721727
0.872233276 0.690903471 0.285195573 0.239289656
0.598019915 0.543372675 0.605093632 0.359293267
0.080671455 0.022140009 0.033067937 0.003298449
0.215867834 0.16112174 0.60338382 0.110870989
0.996219826 0.955899879 0.363894443 0.359049821
0.872233276 0.974140106 0.962798954 0.848030955
0.872233276 0.718296149 0.346878599 0.29308856
0.598019915 0.272551765 0.052214574 0.029702241
0.080671455 0.033902687 0.349776611 0.020390084
0.080671455 0.0241952 0.068832216 0.005892016
0.403245508 0.554800926 0.905107242 0.368304492
0.403245508 0.182837022 0.11097094 0.042515017
0.403245508 0.274573036 0.398825644 0.150150015
0.872233276 0.793199765 0.535760394 0.462318641
0.403245508 0.159092089 0.057438436 0.022614706
0.598019915 0.546774539 0.611878355 0.363679234
0.872233276 0.72366675 0.359552943 0.304233993
0.598019915 0.443366947 0.383924912 0.221123705
0.215867834 0.133160785 0.452472139 0.082873574
0.93890393 0.947354009 0.807698612 0.763588379
0.759990417 0.684555395 0.561108369 0.423847095
0.598019915 0.536959313 0.592137875 0.350940952