Maple Questions and Posts

These are Posts and Questions associated with the product, Maple

Hi

My computer has 6 GB RAM and works with Windows Seven 7 (64 bits). When I am running my MAPLE program(Version 12), the MAPLE software needs the large amount of memory. But when the consumed memory exceeds over 2 GB, the CPU and computation  stop. Even if I used the Command {kernelopts(datalimit)}, the software did not allow me to use the memory more than 2097100 KB.

Okay I don't know why, but at some point my document went crazy somehow, so I closed it and when I opened it again it was like this ... the whole document, all what I had made, it was in one single line... =/

 

Just like this:

http://img827.imageshack.us/f/bugallmathinonelinewtf.png/

 

Can anyone help? Please... if I copy paste it to like word, I get it all shown, so it IS there..

I am trying to get the output listed into a vector or list, but I am unsuccessful. I get the error code "improper sequence". but the expression works:

N:=24

while N>1 do if evalb(type(N,even)=true) then N:=N/2;print(N);else N:=3*N+1;print(N);end if;end do;

The output generated is:

12

6

10

5

16

8

4

2

1

I would like to have the output as a list or a vector with two numbers,...

I am trying to solve this set of equations ,but i have spent a lot of time rewriting the equations and changing the signs..but i cant get rid of this erroe and solve it for the unknowns.....could anyone tell me what am i doing wrong ?

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_ta * L_tb

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? 

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