How do you plot a circular colour map for just one variable?

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aman verma
aman verma 2022-6-14
回答： KSSV 2022-6-14
I have just one variable, refractive index, that i want to plot on a circular colour map. (see attached photo for an example of what im trying to do).

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回答（1 个）

KSSV
KSSV 2022-6-14
Ran in:
Z = randi(20,25) ;
[m,n] = size(Z) ;
r = linspace(0,1,n) ;
th = linspace(0,2*pi,m) ;
[R,T] = meshgrid(r,th) ;
X = R.*cos(T) ;
Y = R.*sin(T) ;
pcolor(X,Y,Z)
axis equal
colormap(gray)

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