How can I print the heatmap as grayscale?

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도현 김
도현 김 2021-4-12
回答： Richard Quist 2021-12-6
A = rand(5)
heatmap(A, option)
I want to see heatmap in grayscale.
OR
Can I use 'saveas' to save in grayscale?

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J Chen
J Chen 2021-4-12
heatmap(A)
colormap(gray)
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Richard Quist
Richard Quist 2021-12-6
As of R2021a the exportgraphics function supports a Colorspace option for both image and vector formats that you can use to generate grayscale output:
exportgraphics(gca, 'output.jpg', 'colorspace', 'gray');
exportgraphics(gca, 'output.pdf', 'colorspace', 'gray');

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