How do I run Matlab from Python, but save figures to a file?

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Tom McGiffen 2015-10-17

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评论： Tianya Duan 2020-3-24

I am successfully running Matlab from Python. The Matlab code I have displays 2 figures. Upon running Python, would rather those figures go to a file. Is there a switch, or some such option to get that to happen? Rather not rewrite Matlab code with some sort of Python specific switch.

Thanks, Tom

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Image Analyst 2015-10-17

Why would you need a Python specific switch? Why not just save the figures using export_fig() directly from MATLAB?

Tom McGiffen 2015-10-19

I am calling an existing codebase we do not want to modify... am working a larger project. The existing codebase makes the figures. Want that in stand-alone, don't want it when called externally.

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Answer 1

Bo Li 2015-10-19

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在 MATLAB Online 中打开

There is no such flag. Python Engine allows you to have full control over MATLAB from Python. You can simply save a figure like following example shows:

>>>eng.plot(matlab.double([1,2,3,4]))  %create a plot
>>>eng.savefig("foo.fig",nargout=0)    %save current figure to "foo.fig"
>>>eng.close()                         %close current figure