why does ln not work

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Jon Stapels
Jon Stapels il 3 Mar 2017
Modificato: Geoff Hayes il 3 Mar 2017
Can not get the ln command to work in MATLAB;
>> ln(2) Undefined function or variable 'ln'.
What am I doing wrong?

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Geoff Hayes
Geoff Hayes il 3 Mar 2017
Modificato: Geoff Hayes il 3 Mar 2017
Jon - use log for the natural logarithm.
>> log(2)
ln is not a built-in MATLAB function (or rather it is but for MuPAD - see MuPAD ln for details).

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