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Mean of Multiple Matrixes

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goyanks1989
goyanks1989 2016-12-12
回答： Roger Stafford 2016-12-12
I have 9 matrixes all the same size (90x144), say they're called z1,z2,z3...z9
How do I take the mean of all 9 matrixes
so that the result is 1 matrix with the averages at each of the 90x144 data points?
When I try
mean(z1+z2+z3...z9)
I get a 1x144 matrix
and when I try
mean(z1,z2,z3..z9),
I get an error message
Error using mean>parseInputs (line 187)
Trailing string input must be one of 'double', 'native', 'default' or one of 'omitnan', 'includenan'.
Error in mean (line 66)
[flag, omitnan] = parseInputs(flag, flag2, isFlag2Set);
Thank you for your help

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采纳的回答

Roger Stafford
Roger Stafford 2016-12-12
m = (z1+z2+z3+z4+z5+z6+z7+z8+z9)/9; % The mean of each element

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