I need to view in log scale the y-axis of the plot I get using the command implicitplot. Any solution?

Francesco

I'm trying to evaluate this triple integral in the rectangular coordinate system and Maple appears to be stuck after the second iterated integral. I then tried to evaluate the same integral in another computer algebra system and got the answer almost instantaneously. My guess is that system converted it to an integral in the cylindrical coordinate system. Why does Maple not do the same? Is there a way to force Maple to do so without manually doing the conversion? I hope there isn't a typo that I'm missing.

I have the following problem with the commands "Infinitesimals" and "InvariantSolutions". After using them to a system of firsst-order PDE's, the following message appears:

 Error, (in table["k"]) expected a request of prolongation w.r.t one of 2 independent variables; received a request w.r.t the (inexistent) 4th one

Does anybody know, what this message means ? I am a beginner with the commands "Infinitesimals" and "InvariantSolutions"...

Hello,

I have a model in MapleSim for which I've generated the optimized C code using the connector toolbox, and I'd like to work with it directly. I was wondering if there is any documentation or examples of how to do this? I haven't been able to find any online.

Thanks! 

f is a piecewise smooth function of exponential order. find the function f

exp(-3*t)+t^3+int((7-x+(17/2)*x^2-(35/3)*x^3)*f(t-x), x = 0 .. t)

i need some help. thx

Hi all,

I have been trying for some time create an animation of a 3d plot I created rotating about the z-axis in Maple 15. I tried using the usual

animate(plot3d,f(x,y),orientation=[A,10],A=0..5)

but not only does that produce an error when I try to do the same thing with an implicitplot3d function, it also doesn't work when I try to animate multiple plots in the same graph, whether implicit functions or regular plot3d ones. I am creating a model...

I am looking at various ways to generate surfaces in a cylindrical coordinate system. When using the cylinderplot( ) command, the default color scheme is acceptable. However, when using the implicitplot3d( ) command, the surface comes out very dark. I've played with a few color/lighting options, but I'm still not able to have the implicit3d plot look anything like the cylinder plot. Can someone suggest any color/lighting/shading options that might acheive this. My initial results are attached.

I'm trying to calculate:

int(int((2-3*(x+y)+6*x*y)*(abs(x)^(2*H)+abs(y)^(2*H)+abs(x-y)^(2*H)), x = 0 .. 1), y = 0 .. 1);

where H is a number between 0 and 1 non-inclusive.

Maple seems not to be able to handle this even though it can calculate:

int(int((2-3*(x+y)+6*x*y)*(abs(x)^(2)+abs(y)^(2)+abs(x-y)^(2)), x = 0 .. 1), y = 0 .. 1);

I.e. without the H

Is there a way around this?

Hi 

I have a problem with my three task to do in Maple (ver.16)

1. I have a differential equations:

dy/dt=-y, y(0)=1

How to do it in Maple (using Dsolve command) and how to draw this ?

2. Solve and draw second-order differential equation :

d²y/dt²+y(t)=sin t   ; y(0)=0 ; y'(0)=1

3. Solve and draw equation:

Often when I have an integral maple returns the result as a limiting expression.

However the limit's value is clear. Is there any way to force maple to evaluate the limit?

Any help is greatly appreciated.

Hi

I'm building my set of functions that will deal with geometries of different dimentions, thus I need to deal with/pass to my functions arrays of different dimentions count, I can't figure out how I can build arrays of, for example, n dimentions, where in each dimention m rows, currently I'm using if..elif on array dimention count that I'm retriving by using something lilke n=Size(Size(A),2) where A is the passed array, then I constracting my new arrays by B=Array(1..m,1..m... n-times...

Hi experts!

Suppose we want to plot a function depending on integral evaluation, like

> S := Int(sin(sin(x+u)+sin(y-u)),u=0..Pi);
               /Pi                                 
             ...

"Your Unread Contributions" is broken as of the updates made to MaplePrimes yesterday. It now simply lists every thread that I've contributed to since the update even though I've actually read all the most-recent activity in those threads.

I wanted to add this as a Comment to the "Updates in MaplePrimes" thread, but I can't do that either.

I cannot make an Answer or Reply to the Recent Question "Nonlinearfit problem". When I click "Submit", I get the message "Sorry, something went wrong." I am able to make Answers, even the first Answer, to other Questions.

Also, I cannot make a Comment to the Post "Updates to MaplePrimes" even though I can make Comments to other posts. The same thing happens: "Sorry, something went wrong."

And here is my Answer, in case that Asker sees it here:

Title: numapprox[minimax]

In a folder I have several worksheets in maple. Each worksheet is named Forum, plus a consecutive number. Internally each worksheet has the following structure:

I would like, from a Maple worksheet, perform a query that would allow me to make a table of contents or index of the information found in the header of each section of all worksheets contained in the folder