Changing colors for findpeaks function

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Pushti Shah
Pushti Shah 2022-9-8
评论： dpb 2022-9-10
I wanted to graph male and female find peaks graphs together and have the graphs be blue and pink. Is there any way for me to change the colors in the code itself?
[numRows,~] = size(male_data);
x = numRows;
[pk,loc] = findpeaks(male_data,x);
plot(x, y, '-', pk, loc, 'Color', [0.9414, 0.5664, 0.6055]); % is there any way to control color?
That was as close as I got but it is giving me an error. Male_data is an array.

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回答（1 个）

dpb
dpb 2022-9-8
Sure, but not with the triplet form of plot to use anything except the named colors...
hL=plot(x,y,'-', pk,loc,'*'); % plot the two, default color first, save line handles
set(hL,'Color',[0.9414, 0.5664, 0.6055]) % now set the color triplet
  2 个评论
Pushti Shah
Pushti Shah 2022-9-10
编辑：Pushti Shah 2022-9-10
[numRows,~] = size(male_trans);
x = numRows;
y = (mean(male_trans(x)));
[pk,loc] = findpeaks(y,x);
hL = plot(x, y, '-', pk, loc);
set(hL,'Color',[0.4688, 0.6563, 0.9375])
^ I have this written but for some reason there's an error at the [pk,loc]
saying:
Error using findpeaks>parse_inputs (line 206)
Data set must contain at least 3 samples.
Error in findpeaks (line 136)
= parse_inputs(isInMATLAB,Yin,varargin{:});
dpb
dpb 2022-9-10
Well, yes,..when you wrote
[numRows,~] = size(male_trans);
x = numRows;
y = (mean(male_trans(x)));
numRows is a single value and so, then, will be male_trans(x)) and even if you wrote male_trans(x,:)) to take the whole row, then mean(male_trans(x)) would turn it back into a single value anyway. Can't find a peak with only one point...

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