frexp

dissect floating-point numbers into base 2 exponent and mantissa

Calling Sequence

[f,e]=frexp(x)

Arguments

:x real vector or matrix : :f array of real values, usually in the range 0.5 <= abs(f) < 1. : :e array of integers that satisfy the equation: x= f.*2.^e :

Description

This function corresponds to the ANSI C function frexp(). Any zeros in x produce f=0 and e=0.

Examples

[f,e]=frexp([1,%pi,-3,%eps])

See Also

• log natural logarithm
• hat (^) exponentiation
• ieee set floating point exception mode
• log2 base 2 logarithm