how to make surf plot using 3 arrays

Question

ANANTA BIJOY BHADRA 2023-3-30

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https://ww2.mathworks.cn/matlabcentral/answers/1937689-how-to-make-surf-plot-using-3-arrays

回答： Cris LaPierre 2023-3-30

I have 3 arrays. The 1st one is (5*1) and the 2nd one is (11*1). The 3rd one is (5*11). Basically using the 1st and 2nd the 3 array is build. The 1st value of the 1st array along with 11 values of the 2nd array to generate the 1st row and 11 column of the 3rd array. I need to make the a surface plot. How should I do that? I hope I have been able to explain the question.

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Answer 1

Cris LaPierre 2023-3-30

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https://ww2.mathworks.cn/matlabcentral/answers/1937689-how-to-make-surf-plot-using-3-arrays#answer_1204324

在 MATLAB Online 中打开

I would follow this example: https://www.mathworks.com/help/matlab/ref/surf.html#bvgppvs-4

Your 2 vectors (11x1, 5x1) are your X and Y inputs, while the 5x11 array is your Z values. The rows of your array correspond to Y and the columns correspond to X. The syntax would be

surf(X,Y,Z)

X = (1:11)';

Y = (1:5)';

Z = Y*X';

surf(X,Y,Z)