How to Draw a Circle with color changing gradually?

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Hoang Phuc Ho 2015-4-24

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https://ww2.mathworks.cn/matlabcentral/answers/213383-how-to-draw-a-circle-with-color-changing-gradually

评论： Hoang Phuc Ho 2015-4-24

I would like to draw a circle with color changing gradually due to value, in which each point in circle area has the value which is defined by a function of variables are radius and rotation angle.

The image enclosed thank you!

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Punit 2015-4-24

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https://ww2.mathworks.cn/matlabcentral/answers/213383-how-to-draw-a-circle-with-color-changing-gradually#answer_176561

http://www.mathworks.com/help/matlab/creating_plots/contour-plot-in-polar-coordinates.html

check this

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Hoang Phuc Ho 2015-4-24

thank you, but if i define the value of each point in the circle area by a matrix of values (because the function is not explicit) , how can i solve in this situation

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