How to set scale range for a contour?

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Vishnuvardhan Naidu Tanga 2021-9-13

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https://ww2.mathworks.cn/matlabcentral/answers/1452119-how-to-set-scale-range-for-a-contour

评论： Star Strider 2021-9-13

采纳的回答： Star Strider

在 MATLAB Online 中打开

Hello,

I am trying to plot a contour from excel data with two colums. Is their any way to set the scale of both the axis in the data range and with label? I am attaching the contour plot i have obtained, I didnt understand why the x axis is from 1:2. Can some one please help me. Thanks in advance.

My code:

data = readtable('Abb73at42.xlsx');
dataArray = table2array(data);
contourf(dataArray);

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采纳的回答

Star Strider 2021-9-13

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1452119-how-to-set-scale-range-for-a-contour#answer_786299

在 MATLAB Online 中打开

The x-axis goes from 1 to 2 because the contour plot is of a (117x2) matrix. That also explains the range of the y-axis.

data = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_files/736719/Abb73at42.xlsx')

data = 117×2 table

X Y _______ ______ -69.793 1.3879 -69.635 2.4547 -69.537 3.4459 -69.432 4.904 -69.352 6.4546 -69.334 7.5779 -69.161 9.0059 -68.937 10.381 -68.975 11.324 -68.975 12.41 -68.975 13.496 -68.889 14.557 -68.548 16.102 -68.435 17.943 -68.376 19.148 -68.172 20.606

figure

plot(data.X, data.Y)

grid

xlabel('X')

ylabel('Y')