MaplePrimes Questions

How to do a full reinstall so that no settings are kept?

I tried deleting the maple 2017 folder in program files after I uninstalled but that did not help.

Hello everybody! 

I just wrote my first Maple Worksheet for a Uni course and was trying to export it to LaTeX for the report that I have to hand in, but sadly it isn't working properly. I managed to get it to produce an output PDF in LaTeX, but the formatting is horrible and for some reason all text appears twice. 

I already searched for other threads on this topic, but all of them appear to be pretty old and I wanted to aks if anyone has andy advice/experiences on how to make the LaTeX export work with more current Maple versions. 

I'd be grateful for any advice! 

- Chris 

Hi everyone 

I need help, I have downloaded Maple, and I have read about the student package, which can show the step by step solution, I would like to see the step by step solution than just a final solution to the equation problem. 

I have the maple 2017, but does anyone know, how to download this package, and use it in maple?

https://www.maplesoft.com/support/help/maple/view.aspx?path=Student%2FBasics%2FLinearSolveSteps 

There is several links to this, but I cant find it where to download the package, I hope that someone is able to help me 

 

Helo, guys, i am a beginner here I want solve a system of first order differential equation using RK4. Please I need help please.

I need my results are nice and neat in final presentation so how can I change the way it present matrix in maple, its so messy in hear like picture . It happend resulted in Maple can reduce the same ratio such as As^2+Bs^2=(A+B)s^2, I tried all my best to find way to simply it but its so hard due to my noob in maple. Please help me make it nice and neat in array of matrix [    ]. 

I am wondering how to plot a function and a histogram together on the same set of axis. 

1-Write a Maple ProcInserer procedure (x, pos, L) that inserts the element x into L at position pos.
 2- Write an inverse procedure (L) taking as argument a list L and returning the list obtained by inverting L in the decreasing direction of the indices.

The function given is f(x)= x3/4-sin x +1/2, interval=[0,2*pi]

a) plot the function over the interval to see its general behaviour.

f := x -> x^(3/4)-sin(x)+1/2;
plot(f(x), x=0..2*Pi);

 

b)FInd the interior points where f'=0.You may want to plot the f' as well.

d1:=D(f)(x);

plot (d1, x=0..2*Pi);

fsolve(d1=0, x);

       5.231279862

 

c) Find the interior points where f' does not exist.I don't know how to show question c) in Maple. Please help?plot(x^(3/4)-sin(x)+1/2, x=0..2*Pi)    plot(3/4*x^(-1/4)-cos(x) , x=0..2*Pi)

When i do this,

d2:=solve(d1=infinity,x);
         

Is this the correct way to shoe f' does not exist? How to I get the numerical value of the RootOf....?

Write a procedure that says whether or not an item a is in a  list L, and at which place (if there are several times the same item, you can return the place of the first, or the list of places of all the occurrences of a).

I got a double sum as a solution to heat equation in 2d. How do I plot that för different time values? 

I can't get the right syntax for add, op

 

Can anyone tell me why the following command

restart; with(plots): with(Statistics):  with(numapprox):

 create an error of this type?

Error, Got internal error in Typesetting:-Parse : "cannot determine if this expression is true or false: membertype(specfunc(Typesetting:-mspace),Typesetting:-mempty(Typesetting:-mspace(depth = "0.0ex",height = "0.0ex",width = "0.0em",linebreak = "newline")))"
 

lambda := .2;
                              0.2
mu := .3;
                              0.3
F := proc (n)

exp(-lambda*t)*(lambda*t)^n/factorial(n)

end proc;
P := proc (n) local ret, i; ret := 0;

for i from 0 to n do

if i = 0 then ret := ret+evalf(exp(-lambda*t))

elif i = 1 then ret := ret+evalf((diff(exp(-lambda*t), t))/mu+lambda*exp(-lambda*t)/mu)

elif i < n then ret := ret+evalf((diff(exp(-lambda*t)*(lambda*t)^(n-1)/factorial(n-1), t))/mu+(lambda+mu)*exp(-lambda*t)*(lambda*t)^(n-1)/(mu*factorial(n-1))-lambda*exp(-lambda*t)*(lambda*t)^(n-2)/(mu*factorial(n-2)))

else ret := ret-(diff(exp(-lambda*t)*(lambda*t)^n/factorial(n), t))/mu+lambda*exp(-lambda*t)*(lambda*t)^(n-1)/(mu*factorial(n-1)) end if

end do;

ret

end proc;
 

Hello everyone

I am new in mapple software and i am facing some proplem to tackle  Laplace equation and Poisson equation. I want to find out the potential psi given in two equations 

I want to solve following equ with finite difference method in order to find potential psi .In the second equation  n = concentration of electrons  ,p= concentration of holes and C= additional concentration ,q is electronic charge .

Can anyone suggeset how I can solve this type of partial differential equation with numerical method (FDM) in mapple?

Hi everybody:

i want to obtain the binary(basis of two) of a number with procedure and without use the convert command, can everyone help me? tnx.

Hi,

I am trying to find k1,m1,k2,m2 from these four equations defined in sys but Maple does not give any solution. Any suggestions?

sys := {(k1*m1+k1*m2+k2*m1+sqrt(k1^2*m1^2+2*k1^2*m1*m2+k1^2*m2^2+2*k1*k2*m1^2-2*k1*k2*m1*m2+k2^2*m1^2))/(2*m1*m2) = (2*Pi*8.78)^2, .8347192842*k1/m1 = (2*Pi*4.8515)^2, -(-30.85287127*k1-k2)/m2 = (2*Pi*8.78)^2, -(-k1*m1-k1*m2-k2*m1+sqrt(k1^2*m1^2+2*k1^2*m1*m2+k1^2*m2^2+2*k1*k2*m1^2-2*k1*k2*m1*m2+k2^2*m1^2))/(2*m1*m2) = (2*Pi*4.8515)^2};

solve(sys, {m1,k1,m2,k2});

Thanks,

Bahar

 

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