This command is also known as rowAdd(.
(84) :row+(matrix,rowA,rowB) (89) :rowAdd(matrix,rowA,rowB)
This adds, in the matrix, the contents of rowA to rowB. RowA is unaffected.
This is an elementary row operation. See: math:Linear Algebra.
- x-1 + 2ND (MATRIX)
:[[1,2][3,4]]→[A] :row+([A],1,2) :Disp [A]
[[1,2][4,6]] will be displayed.