MATLAB: How to determine the different colour in scatter plot

color in scatter plotMATLAB

Hi Everybody,
Could you please help me how I can show it with different color? refer to the below code? this code show in one color while I need to determine different satellite by different color.

Best Answer

Are the PRN numbers simple integers such as 1, 2, 3, 4, 5, 6 ?
numsat = max(PRN);
cmap = jet(numsat);   %use any handy colormap
idx = s4 >= 0.2;
scatter(longi(idx), lati(idx), s4(idx)*2500, cmap(PRN(idx),:) );
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