log

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