Maple Questions and Posts

These are Posts and Questions associated with the product, Maple
I have developed a Maplet tutorial in which the output of the Maplet Evaluate is an X-Y plot displayed using the Maplet Plotter element. I would also like the Maplet to display the numerical X-Y data in a format that would allow the students to simply copy and paste the data directly into an Excel document so that they can carry out additional analysis of the data. Any suggestions?
Hi, I'm trying to get maple to output the numerical answer, from a call to dsolve, to an external txt file; but I'm having a bit of trouble. I want to do this so that I may then plot the results in an external program like easy-plot, or just analyse them. I'm using a "read" command in Maple to read in a procedure from a txt file (shown below), which I then execute in Maple: #Utilise prime notation for derivatives wrt t: with(PDEtools, declare): with(plots): declare(y(t), prime=t, quiet): #Also shorten output notation: alias(y=y(t),y0=y(0),yp0=D(y)(0)): #define the ODE: ODE:=diff(y,[t$2])-(1-y^2)*diff(y,t)+y=0;
When using Maple 10's clickable capabilities one easily gets the results requested. However at the end of a long session the user has a long list of generated results , but it is not easy to recall what was done. Is there a way to find out what commands are hidden behind the right arrows that precede the results shown? For example: If my worksheet shows x^2 -> 2x, is there a way for me to have Maple produce x^2; diff(x^2,x); (or similar) which shows I took the derivative of the expression with respect to x. Thanks in advance. Tom

> Maple Equation

> Maple Equation

I was surprised to find MAPLE doesn't see to have the Kronecker delta as a system function. It was simple enough to write one, but that brings up a question. What if you have certain simple functions which you want to have always available, even after a restart. If you do restarts alot, it can become tedious to keep having to go back to the execution group in which they are defined and click on it. Is there any way to define a function as 'Permanent'. I'm just starting to read about modules. Is the use of modules a recommended way to have user defined procedures stay in the system af
Download 569_ODE-25 Reactions.doc Hi, I want to solve 25 set of differential equation for unknown variable and contants. Problem Statement: Solve the following set of differential equations for concentrations terms in terms of CA0 and t CA, CB, CC, CD, CE, CF, CG, CH, CI, CJ, CK, CL, CM, CN, CP are the variables and k1 to k25 and CAO are constants Initial Values: t=0 CA=CA0 and CB=CC=CD=CE=CF=CG=CH=CI=CJ=CK=CL=CM=CN=CP =0 How do I proceed for the same? Regards, Bikash

The two functions, they were cut off in the original post, are:

f:=sin(3*t) (0 < t < Pi)

and the second function is:

f:=cos(Pi*t) (1 < t < 4)

Set up using unit step functions and graph the functions.
Function is 0 outside the given interval.

I have searched the Net, Application Center and Maple(10) manuals and am stuck as to how to write these solution with Maple(10) Commands.

Any help/tips will be greatly appreciated.


Larry Ciak
Given the following information: f:=sin(3*(t)) (0 <><><>
I am currently working on a project with Maple, and I am stumped beyond belief. The first I have been working on for something like two weeks now. I have worked on it with the university computers, and my own computer and recieved the exact same error. I don't see any syntax errors, and apparently the TA has been able to get his to work. So could someone possibly point out my stupid mistake? f1:= (2*x(c-Pi/2))/sqrt(1-sin(c)); fint:= int(f1, x=0..1); limit(fint,c=(Pi/2), right); And it outputs the following: signum(int(2*x(0)*sqrt(2), x = 0 .. 1))*infinity
Hi, Does the 'restart' command clear all the packages that have previously been loaded? example: with(package1): with(package2): " " " Maple commands and general problem solutions Then in the same worksheet following the previous work restart Do I have to reload the packages or does Maple just reset the variables used to null? tia Larry Ciak
If the finite field is Zp (p a prime) then it's easy. But what if the field is say, GF(2,3,x^3+x+1)? Suppose, for example, I entered: r:=rand(8): G:=GF(2,3,x^3+x+1): M:=Matrix(3,3,(i,j)->G[ConvertIn](x^r())); How would I invert M (over the field G); multiply M by another matrix, and so on? Can I do this with the Domains package? Thanks, Alasdair
I want to use command line maple to plot a function and capture its graph directly to a *.gif file without displaying it. How do I do it? I've gotten Matlab to do it, but can't seem to find the necessary syntax in Maple. Thanks, Eddie
I'm having trouble plotting Planck's Radiation Formula in terms of wavelength, assuming a perfect black body radiator temperature of 5800K. Here are some of my efforts. Can anyone help ? thanks, View on MapleNet or Download
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I have been tasked with the following job by my former advisor, and I have not be able to find an answer as of yet: can Maple make a 3-D plot of a cube with a moving sphere or ball inside of it. The animation of the sphere would be as follow: moving along each of the three major axis of the graph to highlight them. The animated sphere would also have to move continuously through the axis (or discretely over such small increments as to appear to be moving continuously.) Can anyone help me with this? Thanks in advance. Chris W.
other post I am trying to solve the following problem and many others like it but showing how to do it step by step. f := [z = (1+y+y^2-y^3)/(1-y)^3] I am to pick a value for z between 0.601 and 0.899, I chose 0.8 since its as close to a solid number as I could get. z := `0.8` eval(f) z := 0.8 eval(f) hmmm still not solving or breaking down the problem, just showing my the problem with 0.8 in place of z solve(f)
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