I am just a Newbie. Today I calculated a double integral using Maple 14 for linux amd64, but the results are  so strange that I think there must be something wrong.  I using two methods, the first is by using int(int(Integrand, inner variable), outer variable), the second is by calculating the inner integral first, then calculating the outer integral step by step.  But the two result are different.  Here is my codes: 

restart;
assume(a>0):
Int(Int(rho^2,rho=0..a*csc(theta...

Hi dear friends

I want to solve this equation with the foloowing boyndary conditions with maple. please help me to solve it

The nonlinear equation is:

 F' ' ' +27*F*F' '=0

And boundary conditions are:

 F' (infinity)=1

 F' (-infinity)=0

 F (-infinity)=0

thanks for your attention in advance

Mapleprimes.mwHi all,

I am trying to use Matrix values in the equation,  I am trying to pick each value from matrix C1 and C2 add them and use them in equation to find B2x.  I am attaching my file for your kind consideration.

Looking forward to kind replies

Regards

A.Q

I am trying to run Maple using a shell script that run from the terminal. 
I used the command: "maple -q -w0" but it does not work and I get the message "maple: Command not found."

I think Maple is not known to the shell that i am running. What should I do to make it work?  

I have a problem that I thought could be easy to solve it but I couldn't.  I'm working in wave propagation in random media and I'm trying to create a routine to solve problems using Karal's and Keller's approach, it consists in transform a differential equation (describing the form of a wave) with random coefficients over a parameter into an integro-differential equation over a mean wave (a plane wave solution that produces a dispersion’s relation taking into account the randomness of the media...

Dear All

Hi

I have a question about Maple 16.

Does Maple 16 is able to use several cores in multi-cores system?

Does Maple 16 is able to execute some common commands such as int, diff, dsolve and solve with capabilities of a multi-cores system?

Hello,

I have to design a wheeled mobile robot for my bachelor-thesis. the robot should be controlled in Simulink. Therefore, I have to use the Simulink Component Block Generator. Outputs are: yaw angle/rate, absolute position in x/z and its derivatives, wheel angle and its derivative,steering angle. Inputs are one torque for steering and one torque for actuatuating for each wheel. -->6 torques (3 wheels). When I click on the "Generate and Compile...

Dear All

Hi

I want to solve a set of two ordinary differential equations by means of Maple. I can not unfortunately perform it as a non-numeric method. It is worth mentioning that by the following commands, Maple returns a solution presented as a DESol form, which is not useful for me. Note that functions C2_U0[i](theta) and C2_V0[i](theta) are obtained in terms of  C1_U0[i](theta) and C1_V0[i](theta) by using boundary conditions bc1_U0[i] and bc1_V0[i...

How to find the volume of the intersection of the sphere {(x, y, z): x^2+y^2+z^2 <= R^2 } and
the set {(x, y, z): |x| <= a, |y| <= a } under the assumptions R > a*sqrt(2) and a > 0?

I encountered a problem with a simple subs in Maple 15.01:

Q:=1/(a*l);

subs(a*l=t,Q);

This fails to perform the substitution and gives 1/(a*l) instead of 1/t.

However, it seems to work in certain form, for example:

Q:=exp(a*l);

subs(a*l=t,Q);

produces exp(t) correctly.

Furthermore,

Q:=1/(a*l)*exp(a*l);

subs(a*l=t,Q);

gives exp(t)/(a*l). Strangely, the substitution in the exponential is correct...

I am trying to maximize a non-linear function f with respect to variables {a,b}.

Could any one suggest a smarter way of entering this into Maple please, as I am not able to get an answer.Thank you.

The function (shown below) also has the parameters {c,H} in it and I have the constraint:

CONSTRAINT:______________0

My Function f:

(256 a^4 (4 c - H) + (1604 c - 10385 H) H^4 -
   60 b^3 H (56 c + 177 H) + 6 b^2 H^2 (-708 c + 1663 H) +

Hi,

I'm trying to use powsolve to give me the power series of a differential equation. It's been working wonderfully, afaik, but once I put in exp(x) it refuses to run. Here's my code:

 >with(powseries);

>a := powsolve(diff(y(x), x, x)+y*exp(x) = 0, y(0) = 1, (D(y))(0) = 2); tpsform(a, x)

and the error I'm getting:

Error, (in powseries:-powsolve) final value in for loop must be numeric or character

> restart; with(DEtools);
> ED1 := diff(y(x), x) = sen(y)+cos(x);
print(`output redirected...`); # input placeholder
                    d                        
                   --- y(x) = sen(y) + cos(x)
                    dx                       
> dfieldplot(ED1, y(x), x = 0, y = 0, title = `Ejemplo 1`, color = sen(y)+cos(x), arrows = almit, title = figura*(diff(1, x)));
%;
Error, (in DEtools/dfieldplot) invalid range for independent variable