## Am I still subscribed?...

I guess someone is kidding with me...

I want unsubscribing of this s... place!

## Explain fmt string in numfmt(fmt, x) function...

Please explain details of the fmt string in the mapleta function numfmt.  The help page only says

Returns the value of x, formatted according to the template fmt.

For example,

numfmt("#.00", 20.9)

## Inputing/ using the map command...

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

## solving / simplifying a non-linear ODE...

I have this non-linear ODE in q(p):

`ode := diff(q(p), p) = (q(p)-a*p)/(p-a*q(p))*(p^(-b)-1)/q(p)^(-b);`

for some real parameters a and b, it may be solved in exact form for the special value a=1.

Is there any hope of getting a closed-form solution or of expressing the solution in a neat way for the case 0<a<1? even some specific value of a would be of interest, e.g. a=1/2.

`dsolve(eval(ode,{a=1}));`

## how to program this with maple...

let us consider the series

y = a_0 - sum(a_i,i=1..n)

here the terms a_i are defined recurrsively as follows

a_i = (a_(i-1) -4*ln(x)/ln(10) + 4/10 + 4*ln(a_(i-1)) )/ ( 1+ 4/(a_(i-1) * ln(10)))

how can i program this in maple. so i can...

## how can this series be written as a continued frac...

what is the general sum formula for the following seires (we may notice from these few terms it has a pattern)

## How do I include a Maple procedure in my MapleSim ...

Hi all,

I need to define a state machine in MapleSim. A Maple procedure would help to solve this issue. How do I include a Maple procedure in my MapleSim model?

Fabian

## how to reduce code...

f:=x->x^3:
y[1]:=0.5:
y[3]:=subs(x=y[1],f(x)):
i := 2:
y[i] := y[i-1]-(y[1]-y[2+1])*(1/2):
i:=1:
g[i] := (y[i+1]-y[i+2])*x/(y[i]-y[i+1])+(y[i+2]*y[i]-y[i+1]*y[i+1])/(y[i]-y[i+1]):
g[i] := unapply(g[i], x):
h[i] := unapply(solve(y = g[i](x), x), y):
for i from 2 by 1 to 7 do
g[i]:=(f@h[i-1])(x);
g[i]:=unapply(g[i],x);
y[i+2]:=subs(x=y[i+1],g[i](x));
s:=solve(z=g[i](x),x);
h[i]:=unapply(s[1],z);
end do:

for i from -1 by -1 to -8 do

## Version Compatibility Maple 11 & Maple 12 - Ritz M...

Hello,

I am trying to use a worksheet developed by Professor Batista [ritz06.mws] for calculating plate vibration frequencies using the Ritz method, which is available from the Applications directory - Mechanical Engineering folder.  The worksheet was developed using Maple 12 and I am using Maple 11; a careful reading of the file didn't show any commands that were incompatible across the two versions and yet I am not able to solve the worksheet using the default inputs provided in the worksheet.  I have attached a PDF output of the file with the error message.  Any assistance that could be offered would be greatly appreciated.

Kind regards,

## How to do those integrals symbolically ?...

Symbolic_integral.mw

## state machines in MapleSim - systems with disconti...

Hi all,

I'm working on systems with discontinuities and need to define a finite state machine.

I tried to define one by myself and encountered some errors. The computation of initial conditions complains about either cycles and suggests using a pre-block - I am allready using one - or about inconsistent initial conditions and ignores some constraints. Does the initial condition computing algorithm loop insufficiently?

I also tried to use the modelica...

## Modelling a Human Knee Joint...

Friends,

I am very beginner of Maple softs, in order to proceed with my project i need to model a simple Human Knee joint and  to do its simulation, Somebody please help on this, otherwise i cant able to proceed with my project.

Waiting for a solution

Vinil

## Movable pulley dynamics...

Hello, MaplePrimes!

I want to create a custom component to model dynamics of a movable pulley, which can rotate and move along some direction (translational motion). I’ve got dynamic system, which describes both motions of a pulley. Some information about this dynamic system:

## New to maple sim...

Hey all you clever people

I have been leaning simulink in school today. The problem is that i like maple, and would like to solve all my problems in maple

The problem we solved i attached in a zip file.

Can anyone make a simulation in maplesim, that does the same, and mail it to me?

Looking forward to hear from you

Rune Behnk Eriksen

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