## how can be solved this system in maple 18 ...

how can be solved this system in maple 18

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## How to solve differential equations with initial c...

eq1 := diff(f(x), x, x, x)+(1/2)*cos(alpha)*x*(diff(f(x), x, x))+(1/2)*sin(alpha)*f(x)*(diff(f(x), x, x)) = 0;

eq2 := diff(g(x), x, x)+diff(g(x), x)+(diff(g(x), x))*(diff(h(x), x))+cos(alpha)*x*(diff(g(x), x))+sin(alpha)*f(x)*g(x) = 0;

eq3 := diff(g(x), x, x)+diff(h(x), x, x)+1/2*(cos(alpha)*x+sin(alpha)*f(x)) = 0

ics := f(0) = 0, (D(f))(0) = 1, ((D@@2)(f))(0) = a[1], g(0) = 1, (D(g))(0) = a[2], h(0) = 1, (D(h))(0) = a[3];

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## how to do if statement or loop in maple?...

i want to sovle this problem ..but i dont' know how to start..please help me.how to solve this eqution?

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## how to find the answer of this problem in maple?...

guys..i need help ...how to find the answer for this equation..for all value of in and b in (a and b)...for all combination of a and b

problem.mw

## why this equations isn't solving?...

what is wrong..in the past ..this equations was solved..now it doesnt' solved anymore...integral equations

total_PE.mw

## how to put command prompt between two command line...

hello sir..i'm new..and i want to know how to put command prompt ..between two command line .i read but i didn't find..

## how to solve this problem?...

hey guys...please watch my file and help me. when i call(Am)...it only shows last value. how can i get all (Am) value in like seq or table

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when i call(Am)...it only shows last value. how can i get all (Am) value in like seq or table

## how to solve this equation in maple?...

i want to solve..this what is happening..i used maple not a long time ago.help me

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## Error, index must evaluate to a name when indexing...

I need a help for solving this non linear equation by Adomian Decomposition Method.How to find A0,A1,A2... and u1,u2,u3 and a series.I am getting this error,Please help me.
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## plotting ellipse...

i try to plot this equation        2.96736996560705*10^(-12)*p^2+1.31319840299485*10^(-13)*t^2-8.89549693662593*10^(-7)*p+8.53128393394231*10^(-7)*t-3.65558815509970*10^(-30)*p*t-1 = 0 and use this command plots:-implicitplot(TWeq, p = -10^10 .. 10^11, t = -3*10^8 .. 3*10^8, gridrefine = 3, scaling = constrained, size = [1000, 100]) but  it only shows like this

## How do I solve this ODE?...

I need help to solve this ODE,

I didn't get series values F(k+3),Theta(k+2),phi(k+2),error comes in summation values.and

How to find the unknown parameters A,B,C.

## How can i re-install maple 18....

Dear Friends
On 22 March 2018, I received:

ORDER REFERENCE INFORMATION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Customer: Universidad Nacional Autonoma De Mexico, UNAM
Order Date: 3/21/2018
Order Number: 889668
Customer Purchase Order: 10972
For instaling MAPLE 18

Please see the at bottom of the mail

Best Regards

El 22 mar 2018, a las 11:05, license@maplesoft.com escribió:

Here is your copy of Maple 2018. And this is not a release to ignore!

People use Maple to do many different things, so it’s inevitable that each new release will include some features you care about and some features you really don’t need. However, Maple 2018 contains a large number of substantial enhancements to how you interact with Maple, which means you’ll benefit from this release no matter what you use Maple for.

You are receiving this email because you are a member of the Maplesoft Elite Maintenance Program (EMP). While you participate in this program, you are entitled to new product releases as they come out.

If you are a MapleSim user, note that, unlike in previous years, this email contains only your Maple entitlement information. If you are still an active EMP member when MapleSim is released, we will send your MapleSim information to you at that time.

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If you would like a physical copy of your product(s) shipped to you, please go to http://www.maplesoft.com/entitlements. You will need the email address that this email was sent to along with the order number.

ORDER REFERENCE INFORMATION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Customer: Universidad Nacional Autonoma De Mexico, UNAM
Order Date: 3/21/2018
Order Number: 889668
Customer Purchase Order: 10972

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

================================================================

================================================================

The following Purchase Codes activate this product:

[Purchase code deleted]

For the Maplesoft terms and conditions that govern your license to the above noted products, please refer to the Maplesoft End User License Agreement (EULA) found during installation. The Maplesoft EULA can also be found online at http://www.maplesoft.com/documentation_center/Maplesoft_EULA.pdf . You should review the entire Maplesoft EULA prior to activating your products.

SUPPORT
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It is important that you follow the installation instructions contained with each product. If you experience any problems during installation, please visit the Maplesoft online technical support center at http://www.maplesoft.com/support.

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Maplesoft Customer Service
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## How to Solve Error, (in dsolve/numeric/bvp/convert...

I am trying to plot some movement equations, but the following error keeps happening:

Error, (in dsolve/numeric/process_input) system must be entered as a set/list of expressions/equations

when I tryed to rewrite the equation the error became:

Can someone help me with those errors?

Here is the code

pp.mw

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