MATLAB: Is there MATLAB function allow the colorbar to (white -> black) on the unform coloriation from multi-plots

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Is there MATLAB function allow the colorbar to (white -> black) on the unform coloriation from multi-plots if I use basic MATLAB version?

Best Answer

I'm not sure what you mean, but maybe it's this:

colormap(gray(256));
colorbar;

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MATLAB: Colormap based on contour values

function cmap = geblueredcolormap(cmin, cmax)
  assert(cmin<0 & cmax> 0, 'colormap does not cross zero');
  zeroidx = round(-cmin*255/(cmax-cmin));
  bluesat = linspace(1, 0, zeroidx);
  redsat = linspace(0, 1, 256-zeroidx);
  hsv = [repmat([0 1 1], zeroidx, 1); repmat([2/3 1 1], 255-zeroidx, 1)];
  hsv(:, 2) = [bluesat, redsat(2:end)];
  cmap = hsv2rgb(hsv);
end

Will allow you to create the correct colormap

MATLAB: How to change the colors in colormap function

You can try one of the many built-in colormaps such as hsv, jet, parula, etc.

cmap = jet(256);
colormap(cmap);
colorbar;

Best Answer

Related Solutions

MATLAB: Colormap based on contour values

MATLAB: How to change the colors in colormap function

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