Description
i1 : R = QQ[a..d];
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i2 : diagonalMatrix vars R
o2 = | a 0 0 0 |
| 0 b 0 0 |
| 0 0 c 0 |
| 0 0 0 d |
4 4
o2 : Matrix R <-- R
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If the matrix has more than one row, the first column is placed on the diagonal first, then the second column, etc.
i3 : diagonalMatrix matrix{{0,2},{4,6}}
o3 = | 0 0 0 0 |
| 0 4 0 0 |
| 0 0 2 0 |
| 0 0 0 6 |
4 4
o3 : Matrix ZZ <-- ZZ
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