?ger

A = alpha * x * y + A
を実行する。

fortran95:

ger( A, x, y[, alpha])
     A     : REAL, COMPLEX. m * n 2-dimensional array.
     x     : REAL, COMPLEX. size( m) 1-dimensional array.
     y     : REAL, COMPLEX. size( n) 1-dimensional array.
     alpha : REAL.