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alog_n.pro

topalog_n

MATH

result = alog_n(in, n)

compute the log of a number in an arbitary base

There is no error checking on bad input, so be careful.

Return value

Log_n(in), log base n of in

Parameters

in in required: the number to take the log of
n in required: the base of the log

Examples

 IDL> print, log_n(4.5, 2)
       2.16992

Author information

History:: Thu Mar 13 14:16:09 2008, Brian Larsen written and tested

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File attributes

Modifcation date:	Tue Sep 9 13:56:17 2008
Lines:	45