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| I have a matrix of size 2s+1 x 2s+1, we'll call the elements a_ij. All the elements below the diagonal are zero, so it's upper triangular. Along the diagonal, i.e. the a_ii elements, a_11 = A+is, a_22 = A+i(s-1), a_33 = A+i(s-2) and so on down to... |
| I have a polynomial B in u that I want to solve, where u is an operator. It's of degree three so there will be three operators that solve it, and I want the solutions given as matricies. My current code is L[u_] = Array[L, {3, 3}] + {{u,... |