version 1.6, 2010/12/21 13:51:25
|
version 1.7, 2011/07/22 07:38:01
|
Line 13
|
Line 13
|
* |
* |
* DSPR2 performs the symmetric rank 2 operation |
* DSPR2 performs the symmetric rank 2 operation |
* |
* |
* A := alpha*x*y' + alpha*y*x' + A, |
* A := alpha*x*y**T + alpha*y*x**T + A, |
* |
* |
* where alpha is a scalar, x and y are n element vectors and A is an |
* where alpha is a scalar, x and y are n element vectors and A is an |
* n by n symmetric matrix, supplied in packed form. |
* n by n symmetric matrix, supplied in packed form. |