How do I change color diffusion in jet colormap?
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I want to show the red color at the center of the sphere and the blue at the circumstances (i.e color distributed inversly)
%% Example data
x = (2:-0.1:0);
data = sin(x);
%% Shift the values towards the center, so you get a circle instead of an annulus.
rho = x-min(x);
%% Your meshgrid generation code.
theta = (0:360)*pi/180;
[th, r] = meshgrid(theta, rho);
%% Plotting the values
surf(min(x)+r.*cos(th), ...
min(x)+r.*sin(th), ...
repmat(data(:), 1, size(th,2)), ...
'linestyle', 'none');
view(2);
axis equal tight;
colorbar;
colormap jet;

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%% Example data
x = (2:-0.1:0);
data = sin(x);
%% Shift the values towards the center, so you get a circle instead of an annulus.
rho = x-min(x);
%% Your meshgrid generation code.
theta = (0:360)*pi/180;
[th, r] = meshgrid(theta, rho);
%% Plotting the values
surf(min(x)+r.*cos(th), ...
min(x)+r.*sin(th), ...
repmat(data(:), 1, size(th,2)), ...
'linestyle', 'none');
view(2);
axis equal tight;
colorbar;
colormap(flipud( jet));
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