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| version 1.6, 2010/12/21 13:51:25 | version 1.7, 2011/07/22 07:38:02 |
|---|---|
| Line 13 | Line 13 |
| * | * |
| * DSYR2 performs the symmetric rank 2 operation | * DSYR2 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 n | * where alpha is a scalar, x and y are n element vectors and A is an n |
| * by n symmetric matrix. | * by n symmetric matrix. |