I'm trying to get a plot of f(x)=x^1/3 that shows the plot line (i.e. f(x) values) for x<0.  I can get the graph to show the entire four quadrants, but not plot the values for x<0.  Any help would be greatly appreciated, as I just purchased the student edition.

Thanks!

I have a problem i am trying to see how long it takes for my program to give a solution but the time keeps on changeing everytime i press enter. I can't seem to understand why?
 

I am going to export formulas from maple to plain texts like this sample ! Download 11273_plain.txt
View file details but , i confused about this simple job , please someone disabuse me , how can i do it ?

I'd like Maple to simulate airflow over a specified vehicle shape, and get it to display something similar to this.  ...

arghh.  Can't get pictures to paste, sorry.  So far I've never been able to insert a picture, haven't had the need and so haven't worried about it and now when I want to insert a picture, it's not just a straight forward thing.  Any help with that would be apprecited. 

Hello all,

Am a very new Maple user (installed today), so please bear with me! I need urgent help with the following:

I am trying to simulate polymerization of PMMA and have the following problem:

(1) I have Temperature-time data, measured experimentally.

(2) I want to fit my model which gives me a relationship between the rate of change of temperature (dT/dt) and the temperature in terms of a number of parameters:

dT/dt = Q*[Z*{exp(-E/R*T)}*{a^m}*{(1-a)^n}*{1-a}]

where,

a = P/Q + a0

Here,

Hi all first time posting on mapleprime so be nice ;) I can't seem to increase the font size of the numbers at the axis. If this is possible how do i do that? - moL

> restart; with(DEtools); with(plots); > eq := diff(y(x), x) = x^2+y^2; > S := solve(eq, diff(y(x), x)); > P1 := DEplot(diff(y(x), x) = S, y(x), x = -1 .. 1, y = -1 .. 1, colour = red); > display(P1); That is what I have so far, but now I need just the slope field corresponding to the initial condition y(0)=1. Any help you can give would be very much appreciated.

How to achieve that Maple, decompose the equation:  
 

Diff(x,t,t)+3*Diff(x,t)^2+5*x=1;
                        / 2  \            2          

Hi all,

I am helping a friend on this. We would like to evaluate the
convolution of

f(x)=exp(3 * x) / (1 + exp(x) ^ 5).

However, in Maple and Mathematica, using symbolic calculations, after computing the integral in closed-form, the
convolution results in numerical oscillation (lots of spikeness). We
don't know why. We just couldn't get rid of the spikeness.

Say I have the following procedure:

testproc := proc(x,y)

print(x);print(y);

x:=y;

print(x);

end proc;

And I input the following:

testproc(6,10);

Why doesn't this work? I want x to be assigned the value of why (ie, x:=10).

Hello,

I am using dsolve numeric in a for loop to run some multiple simulations. However, it looks like I get some errors due to using dsolve over and over again in the for loop.

Is there a way I can clear the memory or parameters in dsolve before proceeding to the next iteration?

Thanks,

Folarin

Hi,

++++++++++++++++++

A:=Matrix(3,3);

 

ExportMatrix("A",A);

 

save A,A2;

++++++++++++++++++

 

Both 'A' and 'A2' are saved  in the same folder as the worksheet,

how can I save/ExportMatrix in a sub-folder (if folder dose not exists, creat automatically)?

 

 

Thanks.

 

casper

Hello,

Please can anyone tell me if it is possible to run an executable from the Maple worksheet and how this maybe done?

Thanks,

Folarin.

How can I check if an assignment already exits?  I have a process that assigns an eqn name to the coefficients of a polynomial.  I have a number of different of polynomials that I want to do this assignment.  I have the following process:

> EqnCoeff := proc (Poly)
local n, k;
global EQN;
n := degree(Poly);
for k from 0 to n do
EQN[k] := coeff(Poly, phi1, k)
end do
end proc;

(my polynomials have indeterminate phi1)

Hi

I'm trying to use maple on a Dell with intel video chipset series 4, on a Fedora 11, and I get corrupted 3d graphics. I read this FAQ http://www.maplesoft.com/support/Faqs/detail.aspx?sid=33530

(point 3) but it seems that no solutions exist.

I'm using the intel driver, this is the sheet of xorg.conf