MATLAB: Mean doesn’t work

many rows and many colums meanMATLABmeansum

Hi, I have doubt in mean. if we have more than 10000 rows why mean doesn't work actually sum also does not work. for example, All_measured = 43472*30 double and the mean formula: mean(All_measured ,2) but the answer is 43472*1 full of NaN Any suitable ideas are very appreciable.

Best Answer

Try this:

mean(All_measured ,2, 'omitnan')

or:

nanmean(All_measured ,2)

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MATLAB: Plot with mean and std of variables

Just use sprintf and the mean and std functions:

Plot1=plot(T,X);
hold on
Plot2=plot(T,Y);
Plot3=plot(T,Z);
legend([Plot1, Plot2, Plot3],...
    sprintf('X (mean=%.1f,std=%.1f)',mean(X,'omitnan'),std(X,'omitnan')),...
    sprintf('Y (mean=%.1f,std=%.1f)',mean(Y,'omitnan'),std(Y,'omitnan')),...
    sprintf('Z (mean=%.1f,std=%.1f)',mean(Z,'omitnan'),std(Z,'omitnan')))

MATLAB: How to work the Mean function

doc mean

shows you the syntax of the mean function. It expects an array, not multiple arguments. Generally you take the mean of more than 2 inputs so having them as individual arguments would not be sensible.

mean( [ abs(i_min_1(1,1)),i_max_1(1,1) ] );

should work.

Best Answer

Related Solutions

MATLAB: Plot with mean and std of variables

MATLAB: How to work the Mean function

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