## Error, (in dsolve/numeric/bvp/convertsys) unable t...

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I'm new in maple.I'm just learning, i couldn't get the solution.Please help me to solve this Error.

Here is my code.

sps-RK_Method.mw

## Error, (in dsolve/numeric/process_input) input sys...

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I have solved the  system with dsolve (using numeric option).But i got this Error.

Here is my code.

RK_EC.mw

## Problem with calculating the integration of an equ...

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hallo every body

Please, I have a small problem in this program in Maple 18 at the end of the programme when i want to calculat the intgral given in variable (f2i)  i see this message and I can't calculate the integral

Please what is the solution to calculate this integral?

The program in Maple 18 is below

Thanks a lot

hopf12.mw

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## how do i calculate this sum ...

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hallo  every body
please i have a simple question
how do i calculate this sum in maple 18
thank you

## How to write these solutions in fraction form...

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hi every body

please How to write these solutions in fraction form

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Download problem1.mw

## Error, unable to parse...

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How to get the series and plot.I got this error.

TL.mw

## How to solve this equation?...

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How to solve this RLC Electric Circuit  with this initial conditions,I couldn't plot this equation.Help me to do this problem.

EC-2.mw

## how to plot decreasing order?...

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i want to plot form 15 to 0 and 5 to 1.....but my plot shows only increasing order..how can i change it?

Download plot.mw

## Error, (in dsolve/numeric/bvp/convertsys)...

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How to rectify this Error,in RK Method.Error, (in dsolve/numeric/bvp/convertsys) too few boundary conditions: expected 3, got 2.

I cound't plot p5,p6,p7.

If RK Method is suitable for this or not please tell the suitable numerical method code for this.Help me

IP-TEMP.mw

## How can be written system of eqautions without the...

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Hallo every body

i have a question How can be written this system of eqautions without the variable "t"

thanks

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Download problem.mw

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

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how can be solved this system in maple 18

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Download system.mw

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

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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];

## how to solve two integral together?...

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if i solved two integral seperately..it solved.. but i can't solve together..what's wrong...please help

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Download 2.mw

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

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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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