I finished this lab for my Differental equations class today. The computer I was using is not linked to a printer. I saved it and went to open it on a differnet compter and I got an error saying there are problems with the loading process. I tried reopening it on the computer I started with and I get the same error

The lab has three parts. The first two parts were part of the the professors instructions and introduction. Those parts load up. The third part is...

With f := i->`if`(i = 0, 1, alpha), I'd like to evaluate expression A below entirely symbolically, i.e. with l=1..3 being replaced with l=1..h in

sum('sum(sum(f(i)*f(i+j), i = 0 .. l-1), j = 1 .. h-l)', l = 1 .. 3); subs(alpha = .3, h = 3, %);#A

but using A with l= 1 .. h provides a different number, the one one obtains with

sum(sum(sum(f(i)*f(i+j), i = 0 .. l-1), j = 1 .. h-l), l = 1 .. h); subs(alpha = .3, h = 3, %); #BExpressions...

Download FreeFallEquivalen.mw

Hi,

I'm new to Maple; well, I've been 'away' from Maple for a number of years and now I have several compelling reasons to get back into the thick of parts of Maple.

I constructed a very simple ODE model of dropping a mass from a height h and letting it hit a massless platter on a spring, with the other end of the spring connected ground. One...

f := (0.1953125000e-2+.3750000000*(RootOf(-512*x-7+192*_Z^(2/3)+24*_Z^(1/3)+512*_Z-6*(512*_Z+192*_Z^(2/3)+24*_Z^(1/3)+1)^(2/3)+12*(512*_Z+192*_Z^(2/3)+24*_Z^(1/3)+1)^(1/3))^(2/3))+0.4687500000e-1*(RootOf(-512*x-7+192*_Z^(2/3)+24*_Z^(1/3)+512*_Z-6*(512*_Z+192*_Z^(2/3)+24*_Z^(1/3)+1)^(2/3)+12*(512*_Z+192*_Z^(2/3)+24*_Z^(1/3)+1)^(1/3))^(1/3))+RootOf(-512*x-7+192*_Z^(2/3)+24*_Z^(1/3)+512*_Z-6*(512*_Z+192*_Z^(2/3)+24*_Z^(1/3)+1)^(2/3)+12*(512*_Z+192*_Z^(2/3)+24*_Z^(1/3)+1)^(1/3)))^3

Hi, im having some trouble with Math182_Lab_4_2007W.pdf with question 7, its giving me hints on how to set up my X and Y from the old points of x1 and y1, but my instructor forgot to teach us using the map command and im having trouble on what to do next.

i'll include my worksheet, MAT_182_-_Lab_#_4.mw

How to solve this receurrence relation with maple

I found various methods, as listen here http://en.wikipedia.org/wiki/Recurrence_relation, to solve recurrsion relation. For example, methods of undertermined coefficients

But how to use these to solve the the above recursive relation.

Hello

I'm trying to animate a DEplot3d, but is that even possible? If it is, how?

Budgie

with(gfun):

> s := series(sin(x), x, 9); seriestoalgeq(s, y(x)); 1 3 1 5 1 7 / 9\ x - - x + --- x - ---- x + O\x / ...

I tried to use the Physics package in maple 13 to make operations in the algebra M_2(E) - the algebra of 2x2 matrices over the grassmann (or exterior) algebra. E is a noncommutative algebra, and some of its elements anticommute with each other.

The problem is that when I multiply such matrices, the answer is not right. Maple multiply this matrices considering the entries as commutative, what is not true.

Here are the commands I used:

> with(Physics);

I've made a model and i wanted it to work out a distance, which it does. But it gives me an answer in the for a/pi, where a is a number. In my model I've used angles, which maple uses as radians. But I want the answer to be a decimal number and not the fraction in the form a/pi, even thought the value a/pi when worked out is right.

How can I convert this a/pi into a decimal number?

Do I need to use the convert command, and if so what goes in the brackets of this command?

Hi all

I have used pointplot3d to plot a set of points using three vecotrs v1, v2 and v3 which all contain many elements and the same number of elements.

I would like to know how to plot a new set of elements for new vectors v4,v5, and v6 on to the same plot as the previous set of values.

Could I then give each of the two sets a different color?

I want to make a numerical approximation of the number Pi to a defect that is not more than 0.0001

I use maple to verify some examples in my textbook. The followings are two warnings which I came across.

1.

> with(DynamicSystems); sys := TransferFunction((1+.2*s)/(1+.1*s));> ResponsePlot(sys, Step());

When running the codes above, a warning appears unexpectly.Warning, cannot evaluate the solution past the initial point, problem may be complex, initially singular or improperly set up

With this question, I...

I'm working on implementing a plot of the Lorenz equations, and I'm trying

proc(something, something, more something) local something more;

uses DEtools;

something;

end proc

And I get this response:

Error, `DEtools` is not a module or member

What can I do? "uses" works for plots, LinearAlgebra etc. Why doesn't it work for DEtools?

I want maple to calculate with an accuracy of (10)^-200 with Newton Raphsons method. How do I do?

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