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MathJet Docs

ln

Natural logarithm (base e).

Syntax

Section titled “Syntax”
v = ln(number)

Description

Section titled “Description”

Returns log_e(number). number must be positive (or complex for the principal branch).

Examples

Section titled “Examples”
ln(exp(1))     % 1
ln(10)         % 2.3026

See also

Section titled “See also”
  • log — Natural logarithm (base e).
  • exp — Natural exponential.