Need help in plotting contour of speed, torque and eff

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satendra kumar 2021-9-16

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https://ww2.mathworks.cn/matlabcentral/answers/1454229-need-help-in-plotting-contour-of-speed-torque-and-eff

评论： satendra kumar 2021-9-16

workspace.mat

I am struggling in plotting a contour of eff, speed and torque. Please see the attached workspace.mat attached to this file.

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KSSV 2021-9-16

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https://ww2.mathworks.cn/matlabcentral/answers/1454229-need-help-in-plotting-contour-of-speed-torque-and-eff#answer_788444

在 MATLAB Online 中打开

scatter(eff,speed,[],torque,'filled')

You cannot plot contour with the given data. You have 1D data. You need to have 2D data i.e. matrices to plot contours.

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KSSV 2021-9-16

Offcourse with that data you will get error. The given data is corresponds to curve.

satendra kumar 2021-9-16

StandardPlot.m

How to fix this error? Just to summerise, i have the data of eff and torque for each value of speed. Now i want to plot the contour. I checked with multiple methods but the contour i am getting is not a valid one. I want to explore the incosistency in my dataset. For example the file attached with this mail produces a good contour. And when i compared my speed, torque and eff with the one provided in example, nothing looked out of context. However contour plot is completely different.

If you can find some issue, please let me know. Big thank you for your efforts.

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