In this post I'll introduce is a nice visual test of randomness from signal processing. The main idea of this test to look at how a random sequence correlates with itself.

I made a model in MapleSim, and I want to analysis it in Maple.
But there was an error when I used the 'get equations' buttom.

and my piecewise equation is 

Is there any problem to this equation?
I really didn't know how to solve it.

I have Windows 7 on my laptop.  When I put the Maple disk into my DVD drive, it says the disk is blank.  I took it back to my school and it works fine on their computer.  Any suggestions?

I have just had my first scientific publication (Journal of Multi-Body Dynamics 2010 Vol24 No K2) and I thought I should include the acknowledgement here

 “The development of algorithms in Maple was assisted by the advice from the MaplePrimes forum including John Fredsted who provided an initial coding idea for automated detection of plane division”.

                ...

I have a problem understanding how the below reasoning works
for Bruss article “Sum the Odds to One and Stop,”

i) I would like to understand the die problem and more specificaly
why the probability is k(1/6)^1*(5/6)^(k-1). I have a hard time understanding this

ii) How can I apply this reasonong to a coin toss example?


I have managed...

Hi everybody:

I have the following problem. I obtained an asymptotic solution of a hard problem. The final result is a Maple procedure with five arguments; this function has hundred of term and it works beatifully in Maple. However, we need to convert this solution to C or Fortran code and  I am not able to do it.

After the sentence: Fortan(functionname, optimize, output="filename")

I get the following answer

Error, (in PrintTarget) assigning...

I have a worksheet for my students which implements a number of formulas for vector-valued functions such as unit tangent vector and curvature.  All in terms of parameter t. 

Then in some cases we want to evaluate them for a specific value of t.  It works to say t:=2 and then recalculate the expressions.  But after this, what if I want to set t back to no value i.e. make it a variable again?  I have a solution:  delete the line that set...

Hi,

I have a large expression of 10 variables that contains many rational terms. I would like to manipulate it from the form a^2*b^2*c^(-2)*d into for example ((a*b)/c)^2*d. And I want to do this for all terms and combine all variables of power 2.

I know how to do this for arbitrary power a^n/b^n to (a/b)^n but since I have n=2 maple automatically writes (a/b)^2=a^2/b^2 which is what I don't want.

Many thanks 

Hi,

i have a loop as follows

for i from 0 to 10 do
>
> y:= i/2;
>
> f:= 2*x+y;
>
> plot(f,x);
>
> end
> ;

i want each graph with different color depend upon the value of y. in other mean, for each value of y, the color of the graph is defferent. 

could you help me in this problem?

Hello,

my problem is quite complicated, so will try to discribe it shortly.

I am developing a model over 100 periods of time. The value at time t, depends on other values at time t and of the value of the variable itself in the period before (t-1).

For example:

Y_t= K_t^a * L_t^b

K_t= Y_t-1 - C_t-1

C_t-1=C_0 * (1+gC_t-1)^t-1

gC_t-1 depends again on Y_t-1

I thoght of...

I have used the FourierTransform command in Maple 14 and I have identified high frequency content in a signal (data collected).

I would like to filter out the high frequency content but I cannot find a command which does that and nor could I find a post about doing so.

There is a package, HarmonicAnalyses, for sale, which I could purchase.

Is there anyway to do this with Maple 14?

Would the Harmonic Analyses package do what I want? 

Hi! I have a problem with the total PDE linear system:

F=F(x,y,z,w,h);

X1(F)=F[x]+F[y]+F[z]+F[w]=0;

X2(F)=x*F[x]+y*F[y]+z*F[z]+w*F[w] - h*F[h]=0;

X3(F)=x^2*F[x]+y^2*F[y]+z^2*F[z]+w^2*F[w] - ((z-x)*h+C*(w-y)/(z-x))F[h]=0;  (C=const)

The Poisson brackets are:

[X1,X2]=X1, [X1,X3]=2*X2, [X2,X3]=X3.

I'v tried to solve this system with pdsolve, but F=const is the only Maple's answer. But I am sure that this system has a...

I love using the inequal function to plot the feasible region for a 2-d linear programming problem.  Is there a function that does the same thing in 3-d?

Thank you.

I was using the Matlab toolbox in Maple 13 and everything was great until I upgraded Matlab from version 2008b to 2010b. Is it that the new vesrion is not supported? Or can I work around that?

Thank you.

Fernando

So I have an image given by plot[some function] and I need a table with 2 columns - x and f(x)...