AlmostQR |
Syntax |
AlmostQR(M:MAT):RECORD |
Description |
Example |
M := Mat([ [4, -2, 3], [3, 2, -2], [0, 0, 3] ]); Dec := AlmostQR(M); Dec; Record[Q = Mat([ [4, -42/25, 0], [3, 56/25, 0], [0, 0, 3] ]), R = Mat([ [1, -2/25, 6/25], [0, 1, -17/14], [0, 0, 1] ])] ------------------------------- Mat.SimplifySquareFactorsInAQR(Dec); Dec; Record[Q = Mat([ [4/5, -3/5, 0], [3/5, 4/5, 0], [0, 0, 1] ]), R = Mat([ [5, -2/5, 6/5], [0, 14/5, -17/5], [0, 0, 3] ]), SqDiag = [1, 1, 1]] |
See Also |