Dear all,

I am running Maple 11 on my PC. I have Windows 7 (64 bit installed), use Eclipse SDK for Java development.

I have made some mathematical calculations in Maple 11, now I want to integrate them to Java using OpenMaple API.

I viewed help, maple soft and maple primes resources ...... I found test.java example in Maple 11 directory.

I can't add classpath to OpenMaple libraries in Java.

I have Java SDK 6 installed in...

I'm currently using Maple to plot a 2-D (x,y) function F(I) that, at each point, is a function of a nasty integral, I(x,y,t)dt between -infinity and some constant. Maple does a good job of plotting the data and the resulting plot looks fine. The trouble is that when I ask Maple to just evaluate F for a single (x,y) rather than over the full range of (x,y) it tells me that it is not analytically tractable and it cannot produce a result.

If this is true, then how on EARTH...

It's possible for a user to set many defaults within a Maple session. One feature I do not see how to customize is the "point probe" tool. In earlier versions of Maple there was only one mode, and the coordinates of the cursor within a 2D plot were displayed in the context bar of the Maple window.

Now, there are several different modes for viewing coordinates within a plot. By default, the point probe shows nothing about the current location of the cursor. To change the point probe for one plot, right click and select Probe Info from the context menu, then choose one of "Cursor position", "Nearest datum", or "Nearest point on the line".

This has to be repeated for each plot.

Is there a way to set the default?

This works only when the plot "Manipulator" is set to "Point Probe". If it's set to Pan or Scale, this needs to be changed via the icons on the plot toolbar or through the Manipulator entry on the context menu.

Along the same lines, is there a way to set the default Manipulator to Pan or Scale?

Relevant help pages are worksheet,plotinterface,pointprobe and worksheet,plotinterface,manipulatormenu

If not, these would be nice features to have added for Maple 15.

I need to know if maple has any function that would allow me to explore the variables in an expression.

I am writing a program to find the coefficients of the second order derivative of all the variables in the expression and i have no way find out all the variables in the expression before hand and hence need to do it runtime.

fsolveLagrangeNumeri.mw

Dear Colleagues
As you can see from the worksheet with the command solve achieving results. I would like to enter initial values for b, a and R0. When trying to use fsolve for this purpose
I get the following result:
Error, (in fsolve/setrange) R0 = 10 is an invalid range

How to achieve convergence using fsolve?
any help?
Gracias

I need help . Why won't Maple evaluate the 2nd limit? How do I get around that? T is a constant.

> limit(exp(x/2),x=infinity);

                               infinity


> limit(exp(x/T),x=infinity);

                ...

Hi,

I have the following problem, I have a random matrix 50×50 and I want to permute the columns in such way that the number of non-zero elements under the diagonal would be minimal. Is there any function in maple which can do this? Or should I write an algorithm my self?

sorry for this funny question, but where is the "Print Preview" command, it is not under File menu anymore and the export to PDF function is also missing... What am I doing wrong?

running Maple 14 under Max OS X, SL.

cheers.

:-)

Why does:

G := Heaviside(x): int(G(x)*G(t-x), x = 0 .. 3);

Produce a "Error, (in unknown) too many levels of recursion"?

Can maple produce an animation while it is still calculating?

What I mean is, if Maple is calculating an animation in a loop have the displayed animation playing slightly behind the calculations so one would not have to wait until Maple is finished the full calculations.

I'm not actually sure if that's possible in Maple.  Everything I've ever done Maple has to finish it's calculations before one can even begin to view any animation.  Same thing for...

I have a vector consisting of taylor expansions of multiple variables, i.e. each element of the vector is a multivariate polynomial in X[1], X[2], etc. Not all the polynomials are of the same order, not all contain all the X[i]s.

I want to extract the coefficients of each component of the vector and store them in a Matrix.

I thought I had done it, but sadly the order of the coefficients is not what I expected.

Here is an example of a vector:

Dear All,

I would like to make multi-variate integration over 9 variables (x11, x12, x13, x21, x22, x23, x31, x32, x33) in order to calculate the probability of a given event. 

The output of the simpleWeightedSum method is a Vector(3,t), giving the mean of the rows of the matrix X. The event which I would like to "measure" is that the first element of the output vector is higher than the two other elements.

The xij elements are iid...

Is there a way to solve the following problem?
Given a nxn A=(A_ij) matrix (for example n=3,4...) where A-ij is a
polynomial of degree one in X_1, ..., X_n, and given a n-vector
v=(B_11*X_1+...+B_1n*X_n, ..., B_n1*X_1+...+B_nn*X_n)^t where B_ij are
parameters, is it possible to find value for B_ij in such way that the
vector v belongs to the vector space spanned by the columns of A?
thank you.
best
Michele

How do I solve double exponential problem of the form  : 

 i = k_c* i_p *( e ^-a₁*t - e ^-a₂*t ) given that for d/dt (i) =0. t_p = ( i/(a₂ -a₁)) *ln(a₂/a₁) and                                

k_c = 1/(e ^{-a₁ *t_p}

Hi all,

I'm looking for maplets for operations research (single machine problems)...if possible for free.

Thanks for your time.