MaplePrimes Questions

My question is how do i get Maple to simplify every calculation that involves units automatically, right now i have to do this manually for every single one.

For example: This values all come from variables wich have units assigned to them.

Then i hit right click, Units -> Simplify and i get this:

I am using dsolve(..., type = series) to solve differential equations in the form of a power series. I plot these power series with different orders to observe how they converge. I use quite large orders (25 or even 50), and generating these solutions is slow.

I would like to generate power series with order 25, for example, and then truncate it to order 24 directly, instead of having to call dsolve a second time. I was hoping this could be done somehow using convert...

Hi All! I need your help.

I use the Student:-LinearAlgebra:-LynearSystemPlotTutor() and i can print it with:
then i got the: 
module () 
local ModuleApply, LinearSystemPlotMaplet, PlotOptionsWrapper, UpdateDisplay, NewMatrix, the_plot, sysML, helpStr, linSysMaplet, M, axisLengthInfo, axisLabelInfo, axisType, axisScaling, plotOptionsReturn; 
end module

If i would print the local...

If you type 1/1e6; then you get 0.000001000000000.

If you type 1/1e7; you will get

How can i draw SUN AROUND 9 Planets with can help me want to draw this Picture in can help me or give an idea...


I'm under pressure to complete the following plot for a Masters project. I just can't seem to find where the errors are. I'd be very grateful if anyone can help.

x*,y*,zare independent variables 


r(x*,y*,z*,t):=  (r

would you please help me? 

I have a big problem in differentiating with maple!

here is my equation.

L := (alpha, beta, theta,alpha(t),beta(t),theta(t))
how can I find diff(L, alpha) ? 
L=(1/2)*I[a]*(diff(alpha(t), t))^2+(1/2)*I[b]*(diff(beta(t), t))^2+(1/2)*I[c]*(diff(theta(t), t))^2+(1/2)*m[3]*(b^2*(diff(beta(t), t))^2+(1/4)*C^2*(diff(theta(t), t))^2+b*c*(diff(beta(t), t...

Hi, friends

The physics package was provided a good tool to compute Commutator or anticommutator relations. Here, I met some problems.

Example 1:

      restart: with(Physics):Setup(mathematicanotaion=true):

      Setup (op={p[x],p[y]},p[z]):

      alg:=%commutator(p[z],p[x])=2p[x], %commutator(p[z],p[y])=-2p[y], %commutator(p[x],p[y])= p[z]

Why the "Mean" command of the "Statistics" package gives the correct result with MAPLE 12 and MAPLE 13 and not with MAPLE 14 ?

X := RandomVariable(('Uniform')(-1, 1)):
Y := RandomVariable(('Uniform')(-1, 1)):
pdf := simplify(PDF(sqrt(X^2+Y^2), rho)):
R := RandomVariable(Distribution(PDF = unapply(pdf, rho))):

The mean may be computed using (the answer is correct)
int(rho*pdf, rho = 0 .. sqrt(2)):


I'd like to numerically compute integrals of the forms:

int(exp(-t)/((-3+2*exp(-(1/10)*t))*(-3+2*exp(-(9/10)*t))), t = 0 .. infinity); evalf(%)

where there are much more terms in the denominator, e.g.,

Int(e^(-t)/(product(-3+2*exp(-.1*(1-.1)^i*t), i = 0 .. A)), t = 0 .. infinity); evalf(%)

for some positive integer A. Even when I have three terms it takes so long... So how do I compute such integrals numerically with maple; what's the efficient...

Hi everyone

I'm new to the forum, but I hope you can help me with a problem concerning import of pictures to Maple. I'm working with diffraction from a rectangular and circular aperture. I haven't made the experiment yet, but I've thought about taking some pictures of the diffraction pattern and then use Maple to calculate the intensity of the light to make a three dimensional plot (intensity as a function of position).

Right now I just want to import a picture...

Hi, everybody,

I am a newbie of maple. I used maple to draw some function image, it's work pefectly. For higher quality I want to set a thick line width of axis but I don't know how to do. Help me please.

Best regard.

You would have thought I'd have learnt to make sure I've saved my work by now.

I've spent the last 4 hours or so working on a worksheet on Maple, without saving it once (I know, I know). It started acting slow-- by which I mean it was talking a while to actually type things, as opposed to running calculations-- and then the screen suddenly went grey, froze, and now my cursor turns into an hourglass when I mouseover the window.

It's been this way for the past 10 minutes.

Question: Graph the 4th degree polynomial with realcoefficients whose zeros are x=-2 (a repeated root), x=3 and x=0. Following all the graphing requirements as shown below:

- show the correct shape of the function without distortion or wasted space.

-show all the maxima, minima, and intercepts

-allow to read (x,y) coordinates of all the x and y intercepts and all the maxima and minima on the graph easily and clearly.

-have a...

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