I have three functions f,g,h and I want to create an n by 3 matrix with columns: 

[f(1), f(2), f(3), ..., f(n)] , [g(1), g(2), ..., g(n)] , [h(1), h(2), ..., h(n)]

I can do this for a particular positive integer n, but I would like be able to just input n and get the n by 3 matrix.  I am new to Maple and could not find an answer easily.  Thanks.

I have a set of 9 equations and 9 unkowns. These equations are massive 9th order polynomials. The equations themselves are contained in a vector called "C" in the .m file that follows:

Cvector_with_a.txt    (please rename the .txt file to .m since this forum doesn't seem to allow the upload of .m files)

In order to solve the eqautions, you must first set the values of two extra...

Here is , seemingly simple task:
In the Euclidean plane are given two sets, each with 4 points. It is known that all possible pairwise distances between the points of the first set coincide with all possible pairwise distances between the points of the second set, ie we obtain two sets of numbers, in each of which six numbers. Of course, the numbers in each numeric set can be repeated (such sets are called multisets).  Can we say that there is an isometry of...

I am trying to save an array plot to an eps file. My code is the following:

restart: with(plots): currentdir("G:/"): plotsetup(default):
alpha := [.2, .25, .3, .35, .4]:
beta := -0.1e-1:mygamma := -1:delta := 0.1e-1:start := 0:finish := 20:

for i to 5 do
 eqn1 := diff(x(t), t)-x(t)*(alpha[i]-beta*y(t));
 eqn2 := diff(y(t), t)-y(t)*(mygamma-delta*x(t));
 
 solt[i] := dsolve([eqn1 = 0, eqn2 = 0, x(start) = 80, y(start) = 40...

Hello, I am a student of physics, actually I study Celestial Mechanics.

I am working on a Maple program that the output are very huge expressions of up to three thousand lines.

My objective is to select certain terms, the difficult to do that it's because when I save such expression into a archive.txt the terms are separated between two lines, what difficults a lot to create a AWK algoritm to do such a task.

What I want to do is to write these terms...

hi all,

m := 1+(-21+.7*I)*sqrt((2.3*6.494)*10^13-x^2)/(2.3*sqrt(((-21+.7*I)*6.494)*10^13-x^2))

fsolve(m = 0, x, {x = 10^7+26500*I .. 2*10^7+26600*I}, complex)

the above characteristic equation m=0 will give complex roots if we solve it. but fsolve is not able to solve this equation evenif i provided the range.through some light for my problem.

thanks

Hi,

is there any analogous command to whos in Matlab to list the memory usage of specific variables in workspace?

Thanks!

Bye

Tom

Having read the above I decided to try it on a substitution problem I had last year on a set of equations. Work sheet containe an example. I successifuly applied algsubs to the problem. It can be slow and their is no easy way I see to know when the substitution is complete. so what I did go round the loop 2, 3, 4, 5 times. Crude!

Decided to try "side relations" with simplify here but it comes out with a totally different answer (not correct).

Could somebody explain why?

I have constructed 2 procedures:

f(n) and h(n) which i build inside a double sum but when trying to calculate it says to many levels of recursion.

but when doing a simple example it works.

so the question is basically: why cant one put functions defined by proc within a sum??

Dear Maple users,

Is there a way to describe derivatives treated as binary operators in infix notation, in which the derivatives is applied either to the left or right operands. This is useful, for example, when defining generalizations of the Poisson bracket. For a pair of functions f and g, the left and right derivatives are respectively defined as

Hi,

I have an expression which contains terms like cos(3*x)*cos(x) + sin(3*x)*sin(x). In this expression, I replace the prevous terms by using applyrule as:

applyrule([cos(3*x)*cos(x)=1/2*(cos(2*x)+cos(4*x)), sin(3*x)*sin(x)=1/2(cos(2*x)-cos(4*x))],expr);

Is there a way to generalize this so that I may replace all forms of sin(n*x)*sin(m*x) = 1/2(cos((n-m)*x)-cos((n+m)*x))?

Thanks for your help.

I want to write the equation of the plane passing through the three points A, B, C has the form ax + by + cz + d = 0 where a, b, c, d are integer numbers, a >0 if a <> 0; b>0 if a = 0 and b<>0,...and igcd(a, b, c) = 1.

If the coordinates of the vertices A, B, C are all integers, for example A(2,2,2), B(1,2, -1), C(1,-1,-4), I tried,

with(geom3d):

point(A,2,2,2):

point(B,1,2, -1):

How to color only certain bounded/intersection area of a graph in Maple?

Solve the equation : 58.54*x^2+19620*x^(1.85)-11485.54=0

how to graph this two paraboloids into one graph in Maple? z=x^2+y^2 and z=2-x^2-y^2  I try to use Display, Display3d commend, and it doesn't work.

>with(plots)

>f:=(x,y,z)->z=x^2+y^2;

>implicitplot3d(f(x,y,z),x=-5..5,y=-5..5,z=-5..5);

>f:=(x,y,z)->z=2-x^2-y^2;

>impliticitplot3d(f(x,y,z),x=-5..5,y=-5..5,z=-5..5);

and if I want to combine the two graph into one, what should I do next?