Mo logo [home] [lexicon] [problems] [tests] [courses] [auxiliaries] [notes] [staff] german flag

Mathematics-Online lexicon:

Pivoting


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z overview

For a linear system $ Ax=b$, a permutation of rows of the matrix changes the right-hand side:

$\displaystyle A(I,;)x = b(I).
$

Contrary to that, a permutation of columns changes the solution:

$\displaystyle A(:,I) x(I) = b \,.
$

Example:


[Links]

  automatically generated 3/ 8/2007