Vy Luu

Hi Jaromił,  Thank you so much for your help. This solves the issue. I some how thought an numpy ndarray Shifts was ok.  Best, Vy 

Hi Jaromił,  My apology, the code I ran to get my above output is a bit different from the code I posted above: I took out some code which modified the matrix A because I thought it was unimportant...

Hi Jaromił,  Thank you very much for your response. I may have misunderstood the example code. Is this true? x.sum('*', s) = x[0_T,s] + x[1_T,s] + x[2_T,s] + x[3_T,s] + x[4_T,s] So the constraint: ...