\( \DeclareMathOperator{\abs}{abs} \newcommand{\ensuremath}[1]{\mbox{$#1$}} \)
(%i4) |
u
:[
7,
11,
20,
-
9]
;
A : matrix([ - 1, - 3, 0, 1],[ 3, 5, 8, - 3],[ 0, - 1, 2, 1]) ; rank( A) ; rank( addrow( A, u)) ; |
(%i5) | X : addcol( ident( 4), addrow( A, u)) ; |
(%i6) | X : rowop( X, 2, 1, - 3) ; |
(%i7) | X : rowop( X, 4, 1, - 7) ; |
(%i8) | X : rowop( X, 3, 2, 1 / 4) ; |
(%i9) | X : rowop( X, 4, 2, 10 / 4) ; |
(%i10) | X : rowop( X, 4, 3, - 2) ; |
Created with wxMaxima.