Function Geru

* General rank-1 update. (L2) Geru(X, Y, A, alpha=1.0, m=A.Rows, n=A.Cols, incx=1, incy=1, ldA=max(1,A.Rows), offsetx=0, offsety=0, offsetA=0) COMPUTES A := A + alpha*X*Y^T with A m*n, real or complex. ARGUMENTS X float or complex matrix. Y float or complex matrix. Must

(X, Y, A matrix.Matrix, alpha matrix.Scalar, opts ...linalg.Option)