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shuftting graph plot matlab

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Rashid Hussein
Rashid Hussein 2019-4-11
评论： Adam Danz 2019-4-11
theta= inv(A)* S;
th=vec2mat(theta,19);
figure
mesh( th);
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Adam Danz
Adam Danz 2019-4-11
The original question asked how to shift the x and y coordinates of a mesh plot produced by mesh(z).

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Adam Danz
Adam Danz 2019-4-11
mesh(Z) by itself uses the row and column index values of Z as the x and y coordinates. Your matrix is [9x19] so the x values are 1:9 and the y values are 1:19.
If you'd like to start at x=-4 and y=-9, you'll need to produce your own X and Y values using meshgrid().
[Xval, Yval] = meshgrid((1:size(th,2))-10, (1:size(th,1))-5); %shift x and y so they start at -4 and -9
figure
mesh(Xval, Yval, th);
190411 154709-Figure 1.jpg

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