MaplePrimes Questions

Hello,

After using the following command

 

print(plots:-display(%,%%)):

 

I generate a graphic. This graphic is possible to export as JPEG format using the mouse (selecting the option to "export").

Nevertheless, I would like to export (in JPEG format) this graphic (plot) using commands of Maple. How could I do that?

 

Thanks a lot for your attention,

 

Jean-Jacques

 

I am attempting to create an interactive number line.  I would like to allow the user plot a point on the number line with the mouse.  The value of the point plotted would be passed back to a Java program.  Can Maple do this? What is the best way to implement this?  

 

Thanks

Hi,

I'm a beginner in Maple and I struggle to plot the function under a number of constraints.

My function has 2 varying variables (lambda and m):

d:=(lambda, m) -> (0*lambda*m*1*0.2533*5.251234*(9)/2/((4*5.251234-1)^2)+ 1*((m*lambda*1*0.2533)/4 + (1*0.048236*(5.251234-1)*5.251234)/((4*5.251234-1)^2)))-(1*0.048236*0.2533*(0.2533-0.048236)*1*(1+m*lambda)/((4*0.2533-0.048236)^2)+ 0*lambda*m*1*0.2533*5.251234*((4*5.251234+5))/2/((4*5.251234-1)^2));

Hey there,

i have (for example) these two B/W images and would like to calculate the displacement of the cross via an image correlation.
does anyone has an idea how to succeed???
is the Correlation function in the Statistics package usable for this task?
thanks in advance!

    

here mentioned:

275305224 is the third 91768409 gonal number.

can you tell me in which of these algorithms we will reach to number 91768409 ?



wiki :

How to solve the linear system by using maple

2y' + xy =2  with y(0)=1

Hello,

I want to solve the following equation:

equ := 4*arctan(x)-4*x/(1+x^2) = 0

so I use fsolve(equ,x) to get all solutions of equ, but only get one of the roots:zero. Actually, equ has three roots, as the picture which can be generated by the following commands illustrated.

f1 := arctan(x):

f2 := 4*x/(x^2+1):

p1 := plot(f1, legend = ["arctan(x)"], color = red):

p2 := plot(f2, legend = ["4x/(x^2+1)"], color = blue):

as you know the number of solutions for order 3 to 5 magic squares is as follow : 
(not counting rotations and reflections)

order 3: 1 solution

order 4: 880 solutions

order 5: 275305224 solutions

higher order: unknown ...

 

in the first look at 880 , simply appeared it can constructed by
2x5x8x11 (every factor increased by 3)

Just a question about Maple's formatting.  When I type parenthesis, brackets, or absolute value bars, how do I control what size they are displayed?  I'm typing a bunch of expressions as in-line comments for an assignment, and there are multiple parts with parenthesis within brackets, etc.  On certain lines, ever time I put a space after typing, the size of brackets on a previous line will alternate between large and small.  I can insert spaces into random...

I cannot activate Maple 11 on my new MacBook.  I get the error message: Not enough activations left on this account.   As best I can recall, I installed Maple 11 twice before: on my desktop and on my laptop; the laptop has since crashed.

Might you be able to help me? 

Thanks,

Christi


I have the equation to calculate the legendre functions , but i am trying to find a way to form a loop so it would be less time consuming to find for a series of values.

Pn = sum((-1)^i*factorial(2*n-2*i)*x^(n-2*i)/(2^n*factorial(i)*factorial(n-i)*factorial(n-2*i)), i = 0 .. (1/2)*n)

 

This is the general equation , as you can see there are different values of P like p0,p1,p2,p3...depending...

Hello!

I am rather new to maple and have a few questions considering one of my programs.

1. In my program I use 9 nested for loops. Despite trying to figure something out, I couldnt come up with a way of using less for loops.

2. In some of the for loops I want to start the loop from a variable of the for loop above it. Maple doesnt seem to be very happy about this.

3. I want to make a list of all the results produced by the for loops. However...

Hi- I'm having trouble figuring out how to combine two separate DEplot graphs into one graph that represents the SUM of the two.  Not two separate DEPlot graphs in one figure, but the sum of two DEplot graphs in one figure.  I'm using Maple 14- anyone know how to do this?  It's probably simple, and I'm just missing it.  Thanks in advance.

Having overcome a Java VM problem, I have a further problem which is now
limiting my use of MAPLE 14 on Vista:  plotting is limited to plots with
relatively few points or graphical content.

Here is an example in MAPLE 14 (in classic and the normal modes):

> with(RandomTools):with(Statistics):
> N:=400;
> rlist:=(Generate(list(float(range=-1..1),N))):
> plot(rlist,color=black,thickness=1);

This works fine up to N=170,...

m1:= [[1, 2, 3], [ 4, 5, 6], [7, 8, 9]]:

m2:= [[2, 2, 3], [ 4, 5, 6], [7, 8, 9]]:
latex(Matrix(m1));
latex(Matrix(m2));



Hello,

Given my commands (above), I would like to save the output of

latext(Matrix(m1))

as

m1.tex

in the directory "c:\users\desktop\work"

 

and the ouput of

latex(Matrix(m2));

as m2.tex

in the directory "c:\users\desktop\work",

How could I do that?

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