Scilab-Branch-5.3-GIT

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# tril

lower triangular part of matrix

### Calling Sequence

tril(x [,k])

### Arguments

- x
matrix (real, complex, polynomial, rational)

- k
integer (default value 0)

### Description

Lower triangle part of a matrix. `tril(x,k)`

is
made by entries below the kth diagonal : k>0 (upper diagonal) and
k<0 (diagonals below the main diagonal).

### Examples

s=poly(0,'s'); tril([s,s;s,1]) tril([1/s,1/s;1/s,1])

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