Hello all,

I'll be straight-forward.

I have Maple 15+MapleSim 5. I don't have Control Design Toolbox. I want to embed a linearized system object as an msys file into MapleSim.

The Linearization template failed to create the file. I tried to use the codes in the template directly as code in Maple, but also failed. Seemingly because I don't have Control Design Toolbox in which the code need to load.

I have been googling around with no avail. I...

Hello,

I would like to do the following procedure from a basic concept, but I can't figure out what I'm doing wrong (sorry for that, I'm a beginner). I have tried to look up some more information about procedures on the Help menu with no success. Here you have what I'm planning to do:

Considering the following function (which approximates the cosine function):

aprcos:=(x,n)->add((-1)^i*(x^(2*i)/(2*i)!),i=0..n)

I would like...

Hi

Is there a way of importing data in NetCDF format into Maple 15? This format is very widely used in atmospheric sciences as a data standard for experimental data such as satellite-derived data.

Thanks

I want to solve the equation f(f(-1))=sqrt(2)+g(f(2)), where

f:=x->a/x^2-3*x+2 and g:=x->a*sin(2*x), a is an unknow. I tried

restart:
f:=x->a/x^2-3*x+2:
g:=x->a*sin(2*x):
solve(f(f(-1))=sqrt(2)+g(f(2)),a):
evalf(%);

and receive 13.02210936+4.135282756*I. 

 Greetings,

I own Maple 15 Student License and I would like to change the HDD of my laptop. Is this going to pose any problems ? I am going to use the same laptop. 

Thanks 

I thought this was a really fun visual representation of the standard normal curve, although technically the standard normal curve extends infinitely in both directions.  Of course.... you can't evaluate a graph whose x-range extends from -infinity to +infinity.  (Although Maple does a great job of evaluating such integrals, assuming of course that the integral is convergent.)

If you have any suggestions, email me!

Thanks!

And happy holidays to the entire Maple community.

I was trying to solve a VERY simple system of 2 equations,{ eq1,eq2}, for the variable d which appears only once to the first degree with coefficient 1. That is grade school algebra. Maple 15 refused; it needed help.

restart;
eq1:=s=a+b+c+d;
                    eq1 := s = a + b + c + d
eq2:=s=2*(a+b)*(a+c)*(b+c);
             ...

mech_problem.mw

Hi

I solve a mechanical exercise but i had a problem.

I know M (mass) and S (stifness) matrices (6x6).

I want to solve the (λ²M+S)v=0  eigenvalue problem, where λ are the eigenvalues and

How is it possible to let multiple cores compute a loop faster?

For exaple:

for i = 1 to 1000 do

*computation(i)*

end do

The goal is to let a quad core cpu split the 1000 independant computations in 4 packages of 250 each to speed up the computation by the factor 4 so that core1 computes i from 1 to 250, core2 from 251 to 500 and so on, at the same time. Is this possible?

Hi,

I'm running a 2D parameter sweep from Maple 15 on a MapleSim 5 model. The output is stored in a 2D matrix.  I've encountered two problems:

1) when I graph it with matrixplot the z-axis values are fine but I can't figure out how to change the x-axis and y-axis values from the matrix indices to the actual values of the swept parameters. 

2) When the parameter sweep begins I get a warning about storing the values in a matrix.  Maple...

hi,
how we get exact solution of the given system of equations correspond to boundary conditions.
and how we can plot its solution?
>restart;
with(DEtools);

ode:=[(diff(f(eta), eta$3))+beta*((diff(f(eta), eta$2))^2-f(eta)*(diff(f(eta), eta$4)))+(1+lambda)*(f(eta)*(diff(f(eta), eta$2))-(diff(f(eta), eta))^2)= 0,diff(theta(eta),eta$2)+pr*(f(eta)*diff(theta(eta),eta)+Nb*diff(theta(eta),eta$1)*diff(phi(eta),eta$1)+Nt*diff(theta(eta),eta)^2)=0,diff(phi(eta...

Hey everyone. The last few days I work on a non-linear PDE. 

U*`∂`(F(s))/`∂`(x) = -k*sigma*cos(theta)*`∂`(F(s)*kro(s)*`∂`(J(s))/`∂`(x))/(`μo`*sqrt(k/phi)*`∂`(x));

with boundary conditions: when x=-∞: s=swi       and  

x=L : U*dF(s)+k*sigma*F(s)*kro(s)*`∂`(J(s))/(`μo`*sqrt(k/phi)*`∂`(x))

I need to plot...

with(LinearAlgebra);
CAb := <1, 1, 2;1, 2, 3;1, 3, 1>;
# Get the QR decomposition of CAb:
Q, R := QRDecomposition(CAb); R;

Error in R

Maple Matrix(3, 3, {(1, 1) = 1.7321, (1, 2) = 3.4642, (1, 3) = 3.4642, (2, 1) = 0., (2, 2) = 1.4142, (2, 3) = -.70710, (3, 1) = 0., (3, 2) = 0., (3, 3) = 1.2248})

MathCad Matrix(3, 3, {(1, 1) = 1.7321, (1, 2) = 3.4642, (1, 3) = 3.4642, (2, 1) = 0., (2, 2) = 1.4142, (2, 3) =...

Assumption:f(x)=x^2+2x

how to solve f(x+1) according the assumption.

this question is going to be asked has been done several times by me but no answere is sent,but i do it again:

f(x)=sqrt(x+1)→domain(f):[1,+∞),range(f);[0,+∞)

how to solve them at the maple15

Hello.

I used MapleSim to obtain system's equation by "Equation Extraction."

In the equation, there is a strange command displayed as "preopt" and I have no idea know what this command does.

This command appears in piecewise that contains roots.

I used helps (both Maple's help and the help on the website) and googles but still don't get any idea.

Can anyone tell me what "preopt" command is?