Scilab Website | Contribute with GitLab | Mailing list archives | ATOMS toolboxes
Scilab Online Help
2024.1.0 - English


log

natural logarithm

Syntax

y = log(x)

Arguments

x, y

arrays of real or complex numbers, of any number of dimensions and of any identical sizes.

Description

log(x) is the "element-wise" logarithm y(i,j)=log(x(i,j)). For matrix logarithm, see logm.

log(…) can be overloaded for unsupported input types.

Examples

exp(log([1,%i,-1,-%i]))

See also

  • exp — element-wise exponential
  • logm — square matrix logarithm
  • log2 — Base-2 logarithm. Base-2 exponent and mantissa of some real numbers
  • log10 — base 10 logarithm
  • ieee — sets or gets the floating point exception mode
Report an issue
<< expm Log - exp - power log10 >>

Copyright (c) 2022-2024 (Dassault Systèmes)
Copyright (c) 2017-2022 (ESI Group)
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Mon Jun 17 17:49:15 CEST 2024