Fix for bug [ 1370433 ] trigsimp(sqrt(%i2))!=sqrt(trigsimp(%i2))?
Subject: Fix for bug [ 1370433 ] trigsimp(sqrt(%i2))!=sqrt(trigsimp(%i2))?
From: Richard Fateman
Date: Mon, 13 Nov 2006 07:31:42 -0800
> -----Original Message-----
> From: Raymond Toy [mailto:raymond.toy at ericsson.com]
> Sent: Monday, November 13, 2006 6:26 AM
> To: fateman at cs.berkeley.edu
> Cc: 'Robert Dodier'; maxima at math.utexas.edu
> Subject: Re: [Maxima] Fix for bug [ 1370433 ]
> trigsimp(sqrt(%i2))!=sqrt(trigsimp(%i2))?
>
>
> I don't know because I don't know what % is in this case, and I don't
> know what you mean by "simplified(sqrt(%))" versus just "sqrt(%)".
>
Z:ratsimp((x-y)^2);
Radcan(z)- z
(I used % instead of z).
The result, sqrt(y^2-2*x*y+x^2)-abs(y-x) is rather different from zero.
That's all..
RJF