<< isscalar Elementary functions istriu >>

istril


Checks if matrix is lower triangular.


Syntax


tf = istril(M)

Input argument


M

a numeric array

Output argument


tf

logical: result of 'istril'.

Description


istril returns an scalar logical if entry is lower triangular.

Example


A = eye(3, 3);
R = istriu(A)
R = istriu(A(:,1))

See also


isdiag, istril.

History


Version Description
1.0.0 initial version

Author


Allan CORNET

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