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About use "surf" to paintings matrix problem

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BB
BB 2012-9-15
HI,
I have a matrix of a 8x8 matrix
Code chart is as follows
clear all; clc;
a=[ 56 61 63 66 66 62 55 59
56 59 61 62 61 60 54 63
60 61 60 58 58 65 58 71
64 63 62 61 62 64 58 74
71 65 65 66 64 68 66 73
79 67 70 66 69 70 68 71
85 71 73 73 75 74 69 68
88 80 84 88 94 100 89 75];
surf(a);
axis([1,8,1,8]);
colorbar;
view(0,-90);
The color of the drawn graph is not the same as I want
http://ppt.cc/5Btu
ex: the original value of 100 (8 line 6 position)
How is not the same color?
What's wrong with me?
thanks

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回答（2 个）

Walter Roberson
Walter Roberson 2012-9-15
surf() uses the current colormap. They might have used a different colormap than you are using.
  1 个评论
BB
BB 2012-9-15
hi,
i mean the position(8 line 6 position) value is 100
but the drawn graph color is not red
so,maybe i can't use the "surf" command
i want plot 8x8 picture and the value use different color to represent the strength.
what the command can reach my goal?

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BB
BB 2012-9-15
The picture should like this
http://ppt.cc/nsSC
please help me ,thanks

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