Function im

Get the imaginary part of a complex number. For a complex number a + bi, the function returns b.

For matrices, the function is evaluated element wise.

Syntax

im(x)

Parameters

Parameter Type Description
x number | BigNumber | Complex | Array | Matrix A complex number or array with complex numbers

Returns

Type Description
number | BigNumber | Array | Matrix The imaginary part of x

Examples

var a = complex(2, 3);
re(a);                     // returns number 2
im(a);                     // returns number 3

re(complex('-5.2i')); // returns number -5.2
re(complex(2.4));     // returns number 0

See also

re, conj, abs, arg