tril
- tril(X) returns the lower triangular matrix of X
- tril(X,k) returns the elements of X, on and below its k-th diagonal
Examples
> X = ones(3)
[X:3x3 double]
> tril(X)#
1 0 0
1 1 0
1 1 1
> tril(X,-1)#
0 0 0
1 0 0
1 1 0
> tril(X, 1)#
1 1 0
1 1 1
1 1 1
Resources
