log

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
• log2 — Base-2 logarithm. Base-2 exponents and mantissae of some decimal numbers
• log10 — base 10 logarithm
• ieee — sets or gets the floating point exception mode