# Tagged Questions

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.

28 views

### Assign variables in Maple

I have an equation $$y = 2 x+400$$ Can I with Maple multiply the slope ($\alpha=2$) with a factor $k$ without affecting the intersection ($\beta = 400$)? Can I eventually let Maple assign ...
56 views

### The derivative of piecewise-defined function gives undefined in knot point

I have defined a (rather simple) piecewise-defined function in Maple. But when I am finding the derivative to the piecewise-defined function, it suddenly sets the 'knot point' as undefined even ...
58 views

### Draw multiple plots in same plot with Maple

I have a procedure in Maple ...
94 views

### Plotting Intersecting 3D Regions in Maple

I am brand spanking new to Maple (just downloaded tonight) and I'm also taking a course in multivariable Calculus. One of the reasons I downloaded Maple was because I'm having an extremely difficult ...
58 views

### Maple not able to calculate Bernstein polynomial

Hope you can help me on this one. Please look at this simple Maple code: Obviously $B(1)=g(1)=4 \neq 0$. Why is Maple not able to compute this right? Am I doing something wrong? Kind regards PS: ...
115 views

### PDE: solving Fokker-Planck equation with initial and boundary condition

Here is the problem. We have the following simple PDE: \frac{\partial p(x,t)}{\partial t}= - a\frac{\partial p(x,t)}{\partial x} + \frac{D}{2} \frac{ \partial^2 p(x,t) }{\partial ...
58 views

### Spacecurve of intersection between surfaces

Problem The spacecurve of intersection between the surfaces $opp$ & $\alpha$ (above z=3) has to be found, i.e. the intersection of the blue and green surface, above the red pane (z=3). Plots ...
60 views

### In Maple, how can I partially factor a lengthy symbolic expression (23 terms in 6 variables)?

I need to show that the following expression, $$a^3b-a^3c+a^3z+a^3x+a^3y-a^2bx+a^2by+a^2cx-a^2cy-a^2zx+a^2zy-a^2x^2+a^2y^2-abcz-abcx-aczx-acx^2+b^2c^2+2bc^2x+c^2x^2-b^2c-2bcx-cx^2,$$ is positive ...
37 views

### Function in Maple giving weird plots

In Maple I have defined a function If I plot within $Q \in [0,100]$ I get but I get the exact same plot with other boundaries and if I use $Q \in [0, 10^{-10}]$ I get How can this happen? ...
29 views

### Riemann Tensor in Particular Frame

I'm trying to reproduce a calculation which requires computing the Riemann tensor in a particular frame specified by some vierbein $e_a$. I have a complete expression for the spacetime metric in some ...
95 views

### system of non-homogeneous advection equations

I would like to solve this system $$\left\{ \begin{array}{lll} u_t+b_1 u_x=(r+l_1)u-l_1v,\\ v_t+b_2 v_x=(r+l_2)v-l_2u,\\ \end{array} \right.$$ First , I would like to ...
28 views

### Problem with integrating to find volume

I want to calculate the volume of the hyperboloid between the two planes: $hyp:{x}^{2}+1/4\,{y}^{2}-{z}^{2}=5$ $plane1:=z+x/2+3=0$ $plane2:=z+x/2-3=0$ Because of symmetry, I confine my bounds to ...
45 views

### How do I display this quadric (in $\mathbb{R}^3$) in maple?

$x^2+y^2+z^2+2xy+2xz+2yz-x-y-z=6$ I'm struggling to draw a quadric in maple. I've tried the plot and plot3d functions, but it didn't work.
38 views

### how to get maple to do linear algebra in Z_2 (integers modulo 2)

how to get maple to do linear algebra in Z_2 (integers modulo 2) I don't want it to solve and then reduce mod 2 I want it to work over Z_2 so basis([ [1,1,1], [1,-1,1 ]) = [1,1,1] If this is ...
35 views

### Maple Help format output collect terms with same coefficients and multiple variables

I realize this may have been asked before, however I have no idea what to search for specifically, since the topic is so generic it returns so many results that I cannot find what I am looking for. ...
30 views

### How to create lattice diagrame in maple 14?

I am studying lattice diagrame of subgroups of groups and I have already posted one query over here. Now my present query is: I am using MAPLE 14. Can anyone suggest me how to create lattice ...
63 views

### A problem with Maple Polynomial Curve Fitting

I've been encountering a problem while trying to use the method of least squares to fit a quadratic polynomial. Below is the question 1) Use the method of least squares to fit a quadratic polynomial ...
78 views

55 views

### How to compute sum with non consecutive indices in Maple?

Suppose we need to compute the sum in Maple, $\sum_{i = 0}^{10} 2^i$, We can use the command, sum(2^i, i = 0 .. 10) Now, what if the indices are not ...
62 views

### Parametric curves in maple

I know how to plot a parametric curve in Maple (18), but is it also possible to 'define' the parametric equation? I.e. I have to find the intersection of: f:= t-> sin(t); g:= t -> 0.5*sin(2*t); and y ...
42 views

### Maple, simplyfing ODEs questions

I'm a novice using Maple 16. I'm using it mostly to check my DE homework solutions. And it happens a lot that I get stuff like in the picture. I mean (if I'm not missing anything important) that ...
106 views

### Maple: How do I type “solve” with an arrow under?

I am trying to learn using Maple 18 (Mac). I have defined a function with a list of X and Y values. f := x->LinReg(X, Y, x) Now I would like to output the unknown "x" value that correlates with ...
20 views

### MAPLE- Developed in a Fourier Basis - Simplifying commands

After a succession of simplifying commands, I am trying to have a truncated serie Fourier of the expression T3. I get this kind of result T33 : [1] : ...