Sum the components of a matrix

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Feb 19, 2021, 12:09:45 PM2/19/21

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All,

Is there a command to sum up the components of a matrix on the Npicer CX CAS?

Thanks,

JPC

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Feb 20, 2021, 8:23:32 AM2/20/21

to tinspire

Yes

if A is a nxm matrix, then sum(A) gives a 1xm matrix of column totals

do the sum of the transpose of this sum(A) matrix and you'll have the sum of all elements of A

See here:

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