tuple_log

Herror ::tuple_log ( const HTuple &T, double *Log ) Herror ::tuple_log ( const HTuple &T, HTuple *Log )

Compute the natural logarithm of a tuple.

::tuple_log computes the natural logarithm of the input tuple T. The natural logarithm is always returned as a floating point number. The natural logarithm of a string is not allowed.

Parameters

`T` (input_control)	number(-array) `->` HTuple.double / long
Input tuple.
Restriction: `T > 0`

`Log` (output_control)	number(-array) `->` (HTuple.) double *
Natural logarithm of the input tuple.

Alternatives

::tuple_log10

See also

::tuple_exp, ::tuple_pow

Module

Operators not requiring licensing