MaplePrimes Questions

Is there a way for Maple to make GET or POST HTTP requests?

If there are no direct Maple commands, has anyone written a package to do this possibly on top of the Sockets package?

Phil Yasskin

Just wanted to look at a worksheet in the Maple Application Center and had to jump through a lot of hoops to do that.

Is it really necessary - to sign in with my email and password, and with title "I am a Maplesoft Member" over, so it looked as if I signed that I am a Maplesoft member. In what sense? 

If I use Windows and Adobe Reader, does that make me a Microsoft and Adobe member, too?

Alec
(could I add a "Maplesoft member" in my signature?)

Hi all, im just starting with maple, mostly teaching myself how to code, but as you can see, i require some assistance.

ok, so, the basis of this program is to recreate the chaos game, check-out wikipedia if you want to know more, the chaos game is a basic and easy way to make the sierpinski triangle.

my problem is getting multiple plots on the same graph (see my code below)

the plots are in a loop, so each time the loop executes, a new point will be plotted on the original graph (the one right at the beginning that makes a triangle.

hi

i've 40 samples which i should split up in 5 classes with a width of 0.5

i used TallyInto for doing this:

with(Statistics):with(ArrayTools):with(plots): with(plottools):
A:= <10.1, 10.6, 10.9, 10.0, 10.4, 10.5, 9.7, 10.5, 10.4, 10.1, 10.8, 9.2, 10.2, 10.3, 10.5, 9.2, 10.2, 10.5, 9.4, 10.2, 9.6, 10.2, 9.7, 10.2, 10.8, 9.9, 10.5, 10.6, 9.8, 10.7, 11.2, 10.8, 9.0, 10.0, 10.5, 10.4, 11.4,10.4, 10.1, 10.4>;
TallyInto(A, [9.0..9.5,9.6..10.0, 10.1..10.5, 10.6..11.0, 11.1..11.5], bins=5);

I´ve got problems with solving this task! Please help me with the solutions. Maybe someone knows how it works. I solved it from 1-4 and don´t know 5-8

Thanks

Tim

The Crank - rocker consists of rocker 1, coupler 2 and rocker 4. It´s connected with swivel joints. The rack is fixed.
We look at the  point mass m in A and the torsion spring (with damper) in B0. The weight and the inert force because of the motion affect in A (vx,vy ax,ay). All other components are without mass, rotary inertia could also been disregarded.

I have the following equation: -(1/12)*x+1 = sqrt(x-6)+0.5

Right click -> Solve -> Obtain solutions for -> x, only returns 1 of the solutions (6.), but I know there's another solution as well (+/- root) from the quadric formula. I already set the _EnvAllSolutions=true variable, which did not help.

Why doesn't Maple return both solutions and how to get it to do that?

Hi

When I run the attached code (basically just a big loop that doesnt do anything) it terminates early (when i is about 4600).

On my computer I get the error message "kernel connection lost".

On other computers it just stops.

It seems to be quite memory intensive but I don't understand why it terminates. normally if i run a large loop it may take a long time but it will get there eventually. I dont understand why this terminates in the middle.

 

any ideas would be great!

thanks

I was running the BirthdayPi procedure that was somewhere here in mapleprimes. 

I replaced the string evalf(.. _BigPi   with evalf(Pi, 1000000) and ran the procdure.  I hit the stop hand because it was taking too long then I ran it again with a different number.  shortly after it said kernel connection lost. 

I just upgraded my memory from 1Gb to 2.5 Gb (ie I removed 2 of the 4  512 Mb chips and replaced those with 1 Gb chips).  Could that have something to do with it?

Hi all. I m using maple 11. I plot a figure with loglogplot the problem is that the number of points at the low part of the x axis is very low. I increase the number of points but because it is a logaritmic plot the step is still too large for the low numbers but too small for the high numbers. Any ideas how to solve this? Thank you in advance.

As we write a maple program to do whatever operation is, is it possible (in maple) to measure howmany operations per second was performed to achieve the desired result. Or in case of the iterative methods, how can we measure the speed by means of  iterations/second and/or the total time used to achieve the result. Is this kind of performance measurements possible in Maple?.

Thanks.

Hi

Does anyone know of any Maple training courses in the UK (preferably in London).

 

thanks

Hi, Having got to grips with the basics of Maple TA, I'm now getting fussy over details! I've been authoring using LaTeX, and I've hit a problem with plotting. I have put the following code in the question text: \drawMaplePlot*[300][300]{ plot( sin(x), x=-3.5..3.5,-1..1,tickmarks=[[-Pi=-Pi,0=0,Pi=Pi],[1,0,-1]] ) } but the tickmarks command doesn't seem to work properly. Where I expect to see Pi and -Pi labelled on the axes using the actual pi symbol, I just get the text:

I've got a weighted undirected graph with 166 nodes and 191 edges. When using EdgeConnectivity I get a strange message:

Error, (in GraphTheory:-EdgeConnectivity) invalid input: GraphTheory:-VertexConnectivity expects its 1st argument, G, to be of type GRAPHLN, but received GRAPHLN(undirected, unweighted, V, A, `GRAPHLN/table/5`, 0)

Who can help?

 

I was running on Maple 11 to calculate the determinant of large size square matrices. The matrix is sparse with floating-point entries and the size is roughly 6000*6000. Because the matrix is sparse, I set "storage=sparse" in defining the matrix, so that there is no storage problem. But when I used the command dtn:=Determinant(A, method=float) to calculate the determinant, there were the following problems:

Error, (in Matrix) Maple was unable to allocate enough memory to complete this computation.  Please see ?alloc

I'm wondering if anyone can help me track down the various methods Maple uses to solve nonlinear systems of equations. In particular, I don't need an in-depth discussion, I'm mainly interested in finding a citation or two for a paper I'm working on. I'm aware of the approach using resultants and a discussion of it in Geddes, Czapor, and Labahn (1992). I'm also aware of Groebner bases. Are there any other methods Maple uses?

Best,

Shawn

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