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Scilab Help >> Elementary Functions > Log - exp - power > log


natural logarithm


y = log(x)


x, y

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


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.



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
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Last updated:
Mon Jan 03 14:23:23 CET 2022