1
vote
1answer
28 views

Is there some function in Maple which can compute the number of monomials in a polynomial?

Is there some function $f$ in Maple which can compute the number of monomials in a polynomial? For example, $f(x_{1,2})=1, f(x_{1,2}+3x_{3,2}x_{2,5})=2$. Thank you very much.
1
vote
2answers
32 views

How to find number of variables in a monomial in Maple?

Given a monomial $m$. How to find number of variables in $m$ in Maple? For example, let $m=2*x*x$. Then the output to be $2$ (two same variable $x$ in $m$). Let $m=-2*x*y*y$. The output is $3$ ...
0
votes
1answer
24 views

Take the index of a variable in Maple.

Are there some functions in Maple which can take the index of a variable. For example, we define are there some functions f in Maple such that f(x[2,3]) = [2,3]? Thank you very much.
0
votes
1answer
58 views

Plotting piecewise functions maple

How would I plot the following equation in maple? $$f(x) = \begin{cases} 1, & \text{if } x\in\mathbb{Q}, \\ 0, & \text{if } x\notin \mathbb{Q}. \end{cases}$$
1
vote
1answer
43 views

Is there a way in maple to compute sums of arbitrary number of products minors of matrices?

I would like to use maple to compute \begin{align} P_i & = \sum_{1\leq j_1 < \cdots <j_{i-1} \leq i} \Delta_{(2,\ldots, n), (j_1,\ldots,j_{i-1}, i+1, \ldots, n)}(A) \Delta_{(j_1, \ldots, ...
0
votes
3answers
67 views

Equation is not evaluating any result

eq1 := $y = -26.21231979*z+15.42332896+13.22411533*e^{-.6786000000*x}$ eq2 := $y = -25.98077423*z+14.81943362+13.53858145*e^{-.6569000000*x}$ Comparing both equations, eliminating $y$ ...
1
vote
2answers
204 views

CAS for algebraic geometry, which one?

I use Maple to compute Groebner bases and find it very efficient/fast for my current needs. However, several introductory textbooks on algebraic geometry refer to Singular, which I never used before. ...
0
votes
1answer
188 views

Solving equations in MAPLE

I am using maple for the first time. I want to invert the equations using any maths tool. I tried it using MAPLE. I have given two equations in this form: $a=x*b^r + y*(b^s)*(c^t) + z*c^u$ Now ...
0
votes
1answer
153 views

how to calculate the quotient of two permutation group

G/N i guess G and N are both permutation group however, i can not find command in maple to do quotient there is really a quotient command in maple, however it is for polynomial how about quotient ...
1
vote
1answer
73 views

What is the easiest way to define a complex number in exponential form in maple?

What is the easiest way to define a complex number in exponential form in maple? Is there a built-in function? eg: $\underline{Z} = 600 \cdot e^{-j45^\circ}$
1
vote
1answer
55 views

mod after a function

I am trying to find the solution, null space, for a set of equations represented by a matrix A. The example I find is as follows: Nullspace(A) mod 5; I have two questions: 1 - I cannot get Maple ...
3
votes
0answers
59 views

Algorithm for generating random regular graphs in Maple

In Maples package RandomGraphs, there is a method called RandomRegularGraph(n,d) which takes a number of vertices $n$ and a degree $d$ and returns a random $d$-regular graph on $n$ vertices. Does ...
0
votes
1answer
47 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 ...
2
votes
2answers
358 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}, ...
0
votes
3answers
493 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 ...
1
vote
1answer
111 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, ...
0
votes
1answer
180 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 ...
0
votes
1answer
450 views

Maple: How to turn a set of vectors into a matrix?

In Maple the command NullSpace turns a given matrix into a set of vectors -- a basis for its null space. This is precisely what it should in a mathematical sense. However, for computations using the ...