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trace
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Functions
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Math Linear Algebra
trace(X) returns the sum of X main diagonal elements.
Examples
> X = [0 -1 4; 2 1 1; 1 1 -2]# 0 -1 4 2 1 1 1 1 -2 > trace(X)# -1 > sum(diag(X))# -1
Resources
See also
det
|
diag
|
eig
|
sum