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

log

natural logarithm

Calling Sequence

y=log(x)

Arguments

x

constant vector or constant matrix

Description

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

Examples

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

See Also

  • exp — element-wise exponential
  • logm — square matrix logarithm
  • log10 — base 10 logarithm
  • ieee — set floating point exception mode
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with contributors 		Last updated:
Mon Oct 01 17:34:41 CEST 2012