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Scilab help >> Elementary Functions > Floating point > frexp


dissect floating-point numbers into base 2 exponent and mantissa

Calling Sequence




real vector or matrix


array of real values, usually in the range 0.5 <= abs(f) < 1.


array of integers that satisfy the equation: x = f.*2.^e


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



See Also

  • log — natural logarithm
  • hat — (^) exponentiation
  • ieee — set floating point exception mode
  • log2 — base 2 logarithm
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Last updated:
Thu Mar 03 10:59:35 CET 2011