I'm trying to find a function f(n) that will give the rightsum approximation of x^6 on the interval 0..4 using n rectangles and so far im coming up with nada.

So far this is what I have.

f:=n->rightsum(n^6, n=0..4,n);

but then later I'm trying to use this in a limit to find the area under the curve as n goes to infinity and I keep gettin infinity back which it absolutely is not. Would love to get some help on this as I have been droning on it for to long.

I looked at the Maple help menu and got acquainted with the op command to extract the elements of a list. How can I extract particular elements of a list. For example....

 

a:=[2, sqrt(7), "john", sin(57)]

how can I extract elements 2, john and sin(57) ? I tried op( [1,3,4] ,a) but I get an error message.

Thanks in advance!

 

 

<p>Hey Folks,</p>
<p>I've got a pretty simple question here. I use maple to check my work and I'm wondering how  to get a numerical approximate of a Riemann sum containing a trig function. I don't want sin in the answer. For example:</p>
<p><maple>(1/40)*Pi*(Sum((1/40)*sin*i*Pi, i = 1 .. 10))</maple></p>
<p>A<maple>pproximates to 0.33928 sin.</maple></p>
<p><maple></maple><maple>Any help would be greatly appreciated. Cheers.</maple></p>
<p><maple></maple></p>

Sometimes I realize that I need a approximate result rather than an exact answer after I enter Maple command. Is there a way to apply the evalf command at the very end of an input? Thanks in advance!!

I am using Maple 12 on Windows XP.  When I export a plot to postscript as follows

plotsetup(ps,`filename.eps`,plotoptions=`width=2in,height=3in`);
plot(...);

the width and height options seem to have no effect.   The graphic is always 19.579 cm by 19.579 cm.  Other options such as portrait and noborders do have an effect.  Any suggestions for why this is not working?

Hello I have a problem with running Maple 12. Every time i try to run it i get the java virtual machine error. This must happen to alot of other people too because i did some looking around to find a solution. I found some solutions, like delete the # in front of maxheap=700m or lower the maxheap to maxheap=650m in launch.ini in the bin.win in the Maple file.

How can I permentlly change 2D Math characteristics. (input font and size) ? Thanks!!

I used Maple 12 to calculate the volume of a shpere of radius r by using Integration technique. when I entered the first expression, Maple 12 returns the expression as it is. When I enter a different expression for the same problem I get an exact answer. This has happened before...I am not sure what's going on....

How do I randomly generate matrices with entries in base 5 and find the determinant in base 5?

I wanted to see how difficult it would be to use the OpenMaple API from a C# program.  It turns out that it is pretty easy to access C .dlls from C#.  I was able to reproduce a commandline equivalent (minus the command history and editing features). 

The source code can be found here: openmaple.cs

 

Does anyone know how to simulate a Fractional Brownian Motion. I found some stuff on the internet

but I still dont know how this should be done....any suggestions?!

 

 

I have inserted a slider into my Maple workshet and in the edit box I typed:  Do(A=%Slider1);

and now I am simply calling the variable A by typing:  A;

but the variable is not updated. I have to set the slider value and then reexecute A in order to get

a updated value of A. but I want A to be updated automaticaly without having to reexecute it......

 

Please help!.

How to do the following with Maple:

1. Create two power series:

  p1 = e + c1 e^2 + c2 e^3 + c4 e^4+ ....

  p2 = p1 + 1

2. Find division of power series

p1/p2

Hey there,

 

let say I have an equation like that:

2.5665*x+3.79094*x^2+3.52723*x^3+2.1137*x^4+.76839*x^5+0.0911*x^6-0.076*x^7 = x*(a[0]*x+a[1]*x+a[2]*x^2+a[3]*x^3)^(13/9)/(c[0]+c[1]*x+c[2]*x^2+c[3]*x^3+c[4]*x^4)

 

what Maple iteration utility that I can use to solve for a[0], a[1], a[2], a[3], c[0], c[1],c[2],c[3] and c[4] when x--> 1.14?

 

Thanks