restart;

assume(alph>0);

assume(alph,real);

f_exp:=exp(-alph*r^2);

ff_deriv:=simplify(r^2*f_exp^2);

ff:=simplify(int(ff_deriv,r=0..infinity));

It seems to understand what i'm trying to integrate but when I try and find ff it comes up with an awful expression full of erf functions and with a lim r--> infinity at the front. However on wolfram alpha I get the answer that I want: sqrt(pi/2)/(8*alpha^(3/2)).

Dear friends.

How can i increasing or removing the software limits for maple 16.

Hi simulators

Is there an easy way to give a global time frame/limits for all plots: typically I need to simulate a few seconds to get rid of all my transients, and then I would like to zoom in on the effect of interest. Now I have only found out how to reset one by one each graph via the axis properties, I have a dozen graphs per simulation 4 variables to scan over ten points each, that makes a damn lot of graphs properties click to reset, results: I need 60 sec to...

Hi,

I have a rather large output of quotients of polynomial terms in Maple, things like coeffiencient*r^6*(sqrt(1+r^2...)/(1+r^2+r^4), what I have to do at the moment is scan through them by eye taking the large r limits, to see if e.g. an expression goes like 1/r, or 1/r^2 etc at large r..

I was wondering if there is anyway I can automate Maple to scan through the terms for me, systematically taking each limit, and only keeping terms to a certain power in r?

Is it possible to specify tolerances such as +10,-5 instead of just +-10? In other words, can the high and low limits be different? Thanks, Ratch

The attached Maple worksheet gives an outline of the basics of limits, commonly encountered problems, and how to use Maple to solve your limit problems.

Download Attached File

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