# raysPPn -- The rays of the standard fan of projective space or weighted projective space.

## Synopsis

• Usage:
raysPPn(n)
• Inputs:
• n, an integer, positive
• L, a list, with at least 2 elements and first entry 1
• Outputs:
• ,

## Description

Returns a matrix which has in its rows the rays of the standard fan of projective space of dimension n or weighted projective space with the weights L.

 i1 : raysPPn(2) o1 = | -1 -1 | | 1 0 | | 0 1 | 3 2 o1 : Matrix ZZ <--- ZZ