- dsyr2:procedure
xSYR2 performs the symmetric rank 2 operation A := alpha*x*y' + alpha*y*x' + A.
ALPHA is a scalar, X and Y are N element vectors, and A is an N x N symmetric matrix.
xSYR2 performs the symmetric rank 2 operation A := alpha*x*y' + alpha*y*x' + A.
ALPHA is a scalar, X and Y are N element vectors, and A is an N x N symmetric matrix.