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How do I set from Maple GUI how much memory from my 4GB RAM and how much CPU time can Maple use before it is shut down?Thank you Jan

Hello everyone,

 

I am working on a program in Maple and got stuck in exchanging limits for integrals. For example, if I have an expression of following type.

Eq:=4*Int(f(x), x=0..1/3)+Int(x*f(x), x=0..2/3);

I want to convert it in to an expression of form

4*Int(f(x),x=0..x)-4*Int(y,x=1/3..x)+ Int(x*f(x), x=0..x)- Int(x*f(x), x=2/3..x)


In short, I want to split both the integral at x but flip in limits in the second integral. I tried as follows which did not work

applyrule(Int(f::anything,y=c::numeric..d::numeric)=Int(f,y=c..x)-Int(f,y=c..x), Eq)

Please, help me!

Thank you for your time.

I need to find where the limit of the function:

{1-cos(x*y^3)}/(x^2+y^6)^(1+a) exists/does not exists for different values of a, given 0<=a<=1 and as (x,y)->(0,0).

I've tried writing a procedure that changes a in particular increments but that is clearly not the most efficient way. Are there any rules of limits that I should be using?

 

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

Limits...

July 29 2008 Alex Cooper 2

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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