Scilab Function

imult - multiplication by i the imaginary unitary

### Sequence d'appel

  `y=imult(x)`

### Parametres

- `x` : real or complex scalar, vector or matrix
- `y` : complex scalar, vector or matrix

### Description

`imult(x)` is a more efficient way to multiply x by i than y = %i*x, without the problems occuring when x comprises "special" floating point numbers as %inf and %nan.

### Exemples

    z1 = imult(%inf)
    z2 = %i * %inf

### Auteur

B.P.;