no numeric evaluation of ln(1) after replacing in ln(r/a) by r=a
Subject: no numeric evaluation of ln(1) after replacing in ln(r/a) by r=a
From: dlakelan
Date: Tue, 16 Mar 2010 15:03:14 -0700
On 03/16/2010 01:56 PM, alberich wrote:
> Hello,
>
> I couldn't find how to further simplify w in the example below. I'd
> expect a result like w_1+c_2*r_a^2+c_1 but not
> w_1+ln(1)*c_4*r_a^2+c_2*r_a^2+ln(1)*c_3+c_1
If you want the natural logarithm, use log(x) this is the inverse
function for exp(x) in maxima notation. There is no "ln" function.