Vector and matrix average

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matt noman
matt noman 2020-2-8
回答： Image Analyst 2020-2-9
how do I find the average of ths function in matlab
a=[2.42,3.4,4.5,5.63]
b=6
I want to find the average by adding all the numbers in a and b together and then divide them by 6 how would I write that code

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回答（2 个）

stozaki
stozaki 2020-2-9
a=[2.4,2,3.4,4.5,5.63];
ave_a = mean(a);
Image Analyst
Image Analyst 2020-2-9
Nearly everyone would use mean, like they've told you. However if you want to do it like you said, using the sum and number of elements in the two variables, you'd do this
a=[2.4,2,3.4,4.5,5.63]
b = 6
theSum = sum(a) + sum(b)
numberOfElements = numel(a) + numel(b)
theMean = theSum / numberOfElements

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