Re: [sage-devel] Polyhedron.vertices() function call behaviour

2019-04-11 Thread Narayanan Narayanan
Thank you David. Using deepcopy seems to solve the issue if I make a separate copy after the call. But as you mentioned, the return of function should be a copy object. regards narayanan On Thursday, 11 April 2019 12:32:23 UTC+5:30, David Roe wrote: > > You probably want deepcopy. That being

[sage-devel] Polyhedron.vertices() function call behaviour

2019-04-10 Thread Narayanan Narayanan
I have recently created a Polyhedron Q that corresponts to the cuts of a graph. Once I have Q, I created a list of vectors of its vertices as follows: V=[s.vector() for s in Q.vertices()] Now I create a copy of V W= copy(V) Then I change the 6th co-ordinate of each vector in W as follows