For questions involving the application of the program Maple to mathematics. NOTE: questions which focus primarily on the program Maple and not on its applications to mathematics are not appropriate for this site.

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2answers
45 views

Maple equation entry

I'm given this question and asked to solve it in maple. What are the codes to key in this equation?
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0answers
233 views

maple code for exp-func. for solving PDE's & non-linear ODE's?

How can I create the Maple code using exponential-function solving the equation below? $u_t = \gamma u_x+6u(u_x)^2+(3u^2-1)u_{xx}-u_{xxxx}$ $u_t =u_{xx}-u^3+u,$ $\alpha u''(x) = \beta ...
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1answer
468 views

Computing convolution density function with Maple

I would like to know how to compute a probability function of a convolution of Negative Binomial distribution with Maple. Here is an easy example of what I want to do : ' ...
2
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1answer
194 views

Numerical solution of fractional integro-diffrential equ. using collocation method?

problem comes from "Numerical solution of fractional integro-differential , equations by collocation method , E.A. Rawashdeh, Department of Mathematics, Yarmouk University, Irbid 21110, Jordan" ...
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3answers
350 views

how to solve kawahara equation?

the numerical solution to a problem involving a nonlinear partial differential equation of the form below $u_t + uu_x + u_{3x} − u_{5x} = 0$ $u(x, 0) = f (x) , x ∈ R$ which is called Kawahara ...
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2answers
67 views

Simultaneous eqns in maple

I am trying to solve the following system of equations in maple but it doesn't work for some reason: ...
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5answers
598 views

Cryptography in Maple and Mathematica

Is Maple or Mathematica preffered over the other for Cryptography/Number Theory? What are the advantages for each in terms of this area of mathematics? Also could someone compare and contrast ...
0
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3answers
309 views

Maple Error on Asymptotic Analysis of $\ln(n)!$

In Maple, the command asmypt($f$,$x$) computes the asymptotic expansion of the function $f$ with respect to the variable $x$ (as $x \rightarrow \infty$). The command asympt(ln(n)!,n); gives the ...
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1answer
120 views

Derivative of HeunC function

Given the HeunC function: $$ \operatorname{HeunC}\left( \frac{a^2}{2} \sqrt{2k+3},-1/2,-1+\frac{a^2}{2},-\frac{a^2}{8}(-1 +a^2 k), \frac{1}{2}-\frac{a^2}{4}, -\frac{x^2}{a^2} \right) $$ where $a$ is ...
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1answer
220 views

Maple, Graph of an optimization problem

I have solved the following maximisation problem analytically. I would like to graph the solution as well so I can see it, but I am not sure how to do this with Maple, i have just started using it. ...
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0answers
221 views

How to derive to inverse z transform of $\sqrt{\frac{1-a^2}{1-\frac{a}{z}}}$ from Laguerre differential equation?

How can I derive the inverse z-transform of: $$\sqrt{\frac{1-a^2}{1-\frac{a}{z}}}$$ If Maple is not the way, how to derive manually? With Maple code I encounter some problems ...
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1answer
48 views

How to disable empty space around the center circumference of the 3D function(using Maple13 and plot3d())?

When I try to plot 3D functions like the equation of a sphere with Maple13 on Linux(OS) using plot3d() I see empty space around the center circumference of the graph. I understand it might be useful ...
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2answers
494 views

Visualization of Cantor set by Mathematica or Maple!

We all know what it is the Cantor set. The Cantor set is created by repeatedly deleting the open middle thirds of a set of line segments. One starts by deleting the open middle third $(\frac{1}{3}, ...
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1answer
88 views

Programming question in Maple [closed]

How do I ask Maple to skip an integer in a loop? Something like: for i from 0 to n do for j from 0 to n, j<>i, do ... (I want j to skip i.)
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2answers
987 views

Maple: how to solving composite function

Here is just an simple example that I want to use Maple to solve: $$h(x)=f(g(x))$$ $$g(x)=2x+1$$ $$h(x)=4x^2+4x+7$$ Find polynomial of $f(x)$ Thanks :)
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1answer
297 views

Random-Tree simulation

I wanna simulate a Galton-Watson Tree to a maximum of n generation given a reproduction law P. I use Maple but I am unable to create the edges of the tree whenever there are more than two vertices in ...
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1answer
2k views

Using maple to find stationary points within a domain/range

I have no trouble finding stationary points using diff and solve in the following way: f:= somefunction; dx:=diff(f,x); evalf(solve(dx=0)); which gives me an ...
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2answers
199 views

Error In Assigning Values to Two-Variable Function

Please migrate this question if it is not appropriate for Math.SE (I fear it is not). In the following snippet, $f(i,j)$ is a procedure that compares the value of $i$ and $j$ before deciding what to ...
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1answer
413 views

Running command line Maple script interactively

I'm connecting over ssh to a machine running Maple. Is there a way to run a script, let's say derp.mpl, such that after executing the script Maple is still running? Something perhaps analogous to ...
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1answer
546 views

Lagrange Coefficients in Maple

I'm trying to compute Lagrange coefficients in Maple. Having found the $n$ roots of a Lagrange polynomial, I want to calculate the $j$-th coefficient: $$L_j(x) = \prod_{{i=0}\atop{j \neq ...
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3answers
773 views

Draw 3d double integral in Maple

I have a voluntary hand in I am working on, and in that rigard I need to draw the following figure in Maple. The area $ \displaystyle \iint_R \frac{x}{\sqrt{x^2+y^2}} \mathrm{d}A $ where $R$ is ...
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2answers
231 views

Integrating with vector coefficients in Maple

I'm trying to use Maple to do something like this integral: $\displaystyle\int \frac{a\mu-b}{||a\mu-b||^3} \mathrm{d}\mu$ Where $a, b$ are vectors and $\mu$ is a scalar I'm integrating by. But I ...
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2answers
920 views

Generating random array in Maple

I'm trying to do simulation in Maple, but I can't figure out how to do the following: How does one generate a set of random whole numbers in an array of 24 element (in 1 column) where the sum of the ...
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1answer
95 views

Maple help : How to use functions

I have a quadratic expression, which I process using the solve function in MAPLE, like so quadformula := solve(p,x); This displays the quadratic form of the ...
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1answer
51 views

Maple: Understanding PhasePortraits

I'm trying to understand how to use phaseportraits in maple by following an example however, I'm not really sure where certian aspects of the equations given come from: First, let us read in the ...
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1answer
295 views

How to make Maple 15 plot VolumeOfRevolution with implicity function?

Suppose I have two functions f(y) and g(y), how do I plot the surface rotated about the axes in Maple? Assume you cannot write f(y) or g(y) in terms of x. Maple only allows g(x) and f(x)
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1answer
126 views

How to substitute an array in a given expression in Maple?

Given e.g. f := a[1]*a[2]+a[1]*a[3]+a[2]*a[3] Now we want to substitute a[i]->i, I tried ...
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1answer
1k views

Find intersection of two functions in Maple

I have two functions $f$ and $g$ defined as: $$f := \operatorname{Spline}(\operatorname{pointsBW}, t)$$ $$g:=x \rightarrow \frac{1}{x}\int_0^x f\;dt$$ where $f$ is a functional form for a set of ...
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2answers
49 views

Lower-bounding expressions in Maple

I have the following complicated expression $E(n)$ and I am interested in finding a simple expression $S(n)$ such that $S(n) \leq E(n)$ for all sufficiently large $n$. Does anyone know how one can do ...
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0answers
149 views

recurrence relation of general difference polynomials

I have a sequence of difference polynomials (which I obtained by the method of finite differences) and I would like to find out if there is a recurrence relation between them. The generating function ...
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2answers
206 views

Is there a way to make Maple 15 graph on the plane?

I am trying to graph a parametric equation on $\mathbb{R}^2$, but Maple keeps giving me an $\mathbb{R}^3$ curve. Here is what I did ...
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1answer
225 views

Is correcting 2 consecutive error's in 9 messages from $ GF(2^6) $ by turning tham into 3 messages and solving Reed-Solomon code $ (3, 18) $ possible?

2 consecutive messages have errors. We have 9 messages from $ GF(2^6, x^6+x+1) $. Messages were encoded with $ (x+1)(x+a)(x+a^2)\sum_{i=1}^6X_ix^{i-1}=\sum_{l=1}^9Y_lx^{l-1} $ , where $ ...
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1answer
371 views

Maple: Galois Field with characteristic 2 $\mathrm{GF}(2^m)$ - how to convert polynomials into binary vectors and vice versa?

In GF($2^m$) each element is a polynomial also it is a binary message. I wonder how to make maple help me convert vectors of maple Bits into GF elements and back? Also it is not the question of ...
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1answer
200 views

Maple: bug in Overview of the GF (Galois Field) Package?

So I downloaded sample (Download Help Document) but I can not compile it - (last line fais with: ...
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1answer
246 views

How to simplify expressions in a polynomial ring using software Maple

![How to simplify expressions in a polynomial ring using software Maple][1]. For example,I want to verify some expressions is zero. But I don't know how to archive my goal. Anyone can help me? Thank ...
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1answer
339 views

Maple wrong about partial derivative of exponential function?

When I input this function in Maple: f := (x, y) -> exp(x+xy-2*y) And take the derivative: diff(f(x, y), x); I receive: ...
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1answer
1k views

mod and rem in Maple

I do not understand this statement "reduce the coefficient modulo 5 and take remainder"? Is the following Maple command to reduce the coefficient modulo 5 , which coefficient to reduce? ...
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1answer
163 views

recurrence relation only for odd indices maple

I want to define a recurrence relation $a(n)$ which is only defined for odd n. I tried something like: a:= (2*n-1)->a(2n-3)+(2n-2)!+a(2n-5); which apparently doesn't work. How do I define this ...
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0answers
164 views

Trying to solve Navier equations with Maple

I've been trying for ages now to get this to work, it's a system of partial differential equations (Engineering, Plate theory) $$pde1: = \frac{{{\partial ^2}}}{{\partial {x^2}}}u\left( {x,y} \right) ...
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1answer
146 views

Vector containing parameters

I am pretty new to maple and have the following question: If I define a vector q containing a parameter b should i define it like: q := vector[column]([b, 0]) ...
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1answer
395 views

Solving a system of equations in Maple

I have a set of equations which I would like to symbolically solve for a defined set of variables using the solve command in Maple. However, being not familiar with the program, it does not give me ...
1
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1answer
126 views

Extract a decimal from a vector in maple

Not sure if this question belongs in this form but I don't know where else to go. I'm trying to index a matrix and do a < comparison on it. Every time I try something like A[1] it says: Error, ...
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1answer
114 views

Maple: How to give values to assumptions for plotting?

So I have a simple example of what I want to do: ...
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2answers
66 views

Is $\frac{1}{(\textrm{can}-a-b\cdot i)^2}-\frac{1}{(\textrm{can}+\textrm{cod}-a-b \cdot i)^2}$ in any way simplifiable with Maple?

So I wonder if Maple can reduce such lines like $$\frac{1}{(\textrm{can}-a-b\cdot i)^2}-\frac{1}{(\textrm{can}+\textrm{cod}-a-b \cdot i)^2}$$ (assuming all variables but $i$ are real)?
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1answer
107 views

Maple: simplifying Im(a+I*b) - why it does not work for me? [closed]

So I want to simplify z:=a+I*b; Im(z) where a, b are real variables So I try: ...
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1answer
494 views

How to make a list in maple [closed]

I need to do some computations with maple which I don't know how to do it. So I thought I can ask you. I am going to pick a simple function, as simple as possible. let's take $f(x,y):=x^2+y^2$. I ...
2
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1answer
191 views

What's wrong with my writing in Prem algorithm?

Solved by fixing program I discover lead coefficient should include other variables now it stop infinite loop but result not correct i am near the answer $yz^6+2y^2z^4+5y^3$ the difference is my ...
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1answer
176 views

Having such integral, how to optimize it in maple?

So we have : (1/3)*sig0*h^3*(int(int(sin((1/3)*arctan(y, x)), x = 0 .. r), y = 0 .. 2*Pi)) Is it possible to optimise it? (in maple or any other way...) How I ...
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1answer
521 views

Maple: How to convert Cylindrical coordinates to Cartesian coordinates?

We get some expression in Cylindrical coordinates (r, ϕ, z ) like : expr := r*z^2*sin((1/3)*ϕ) we need to convert ...
2
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1answer
2k views

A series solution of the differential equation: $\frac{d^2u(x)}{dx^2}+ u(x)^n = 0.$

Consider the differential equation $\frac{d^2u(x)}{dx^2}+ u(x)^n = 0.$ Let the solution be $u(x) = u_0(x) + p u_1(x) + p^2u_2(x) + \cdots +p^m u_m(x).$ Now we are interested in substituting the ...