mxludupper
Syntax:
Return
Range
mxludupper
(
Range
matrix1)
Description:
Computes the upper triangular factor of matrix LU decomposition of
matrix1
and places it at the current cell.
Examples:
($a4) = mxludupper($a1:$c3)
Before:
A
B
C
D
1
1
4
7
2
2
5
8
3
3
6
20
4
5
6
After:
A
B
C
D
1
1
4
7
2
2
5
8
3
3
6
20
4
3
6
20
5
0
2
0.333333333333333
6
0
0
-5.5
($a2) = mxludupper($a1:$d4)