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

Asked by: Saha 70
ode homework dsolve
June 02 2023
0  2

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...

Asked by: Saha 70
ode syntax homework
June 01 2023
0  3

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...

Asked by: achreftabet 60
integration
May 30 2023
0  0

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

How do i fit this model to yearly GDP data...

Asked by: ogunmiloro 120
regression differential-equations incomplete-question
May 30 2023
0  5

fitting.mw

how do i calculate this sum ...

Asked by: achreftabet 60
sum incomplete-question
May 16 2023
0  5

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...

Asked by: achreftabet 60
convert rational float
May 08 2023
0  4

hi every body 

please How to write these solutions in fraction form

> 

sol := {S[0] = 0., U[0] = 0., V[0] = 0., W[0] = 0., Z[0] = 0., r[0] = 84.85281372}, {S[0] = 13.43136878, U[0] = -1.505103614, V[0] = 3.811200525, W[0] = 25.03669048, Z[0] = -66.61776811, r[0] = 45.45242389}, {S[0] = 19.84202712, U[0] = -182.3505467, V[0] = 0., W[0] = 19.66995891, Z[0] = 0., r[0] = 40.87682398}, {S[0] = -19.84202712, U[0] = 0., V[0] = 19.66995891, W[0] = 0., Z[0] = 182.3505467, r[0] = 40.87682398}, {S[0] = 0., U[0] = 7.778720282, V[0] = 22.80551297, W[0] = 22.80551297, Z[0] = -7.778720282, r[0] = 26.37225141}, {S[0] = 0., U[0] = -7.778720282, V[0] = 22.80551297, W[0] = -22.80551297, Z[0] = -7.778720282, r[0] = 26.37225141}

{S[0] = 0., U[0] = 0., V[0] = 0., W[0] = 0., Z[0] = 0., r[0] = 84.85281372}, {S[0] = 13.43136878, U[0] = -1.505103614, V[0] = 3.811200525, W[0] = 25.03669048, Z[0] = -66.61776811, r[0] = 45.45242389}, {S[0] = 19.84202712, U[0] = -182.3505467, V[0] = 0., W[0] = 19.66995891, Z[0] = 0., r[0] = 40.87682398}, {S[0] = -19.84202712, U[0] = 0., V[0] = 19.66995891, W[0] = 0., Z[0] = 182.3505467, r[0] = 40.87682398}, {S[0] = 0., U[0] = 7.778720282, V[0] = 22.80551297, W[0] = 22.80551297, Z[0] = -7.778720282, r[0] = 26.37225141}, {S[0] = 0., U[0] = -7.778720282, V[0] = 22.80551297, W[0] = -22.80551297, Z[0] = -7.778720282, r[0] = 26.37225141}

 (1)
> 

``

Download problem1.mw

Error, unable to parse...

Asked by: Saha 70
plot syntax plotting
May 08 2023
0  2

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

TL.mw

How to solve this equation?...

Asked by: Saha 70
homework circuit differential-equations
May 06 2023
0  2

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?...

Asked by: Pi 30
plot range
May 04 2023
0  2

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)...

Asked by: Saha 70
ode homework dsolve
May 03 2023
0  5

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...

Asked by: achreftabet 60
substitution
April 28 2023
0  9

Hallo every body 

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

thanks 

> 

restart
> 

``
> 

eq10 := epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))-Y(t)*alpha

epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))-Y(t)*alpha

 (1)
> 

eq11 := alpha*X(t)

alpha*X(t)

 (2)
> 

eq12 := epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))-beta*U(t)

epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))-beta*U(t)

 (3)
> 

eq13 := beta*Z(t)

beta*Z(t)

 (4)
> 

eq14 := epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))-W(t)

epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))-W(t)

 (5)
> 

eq15 := V(t)

V(t)

 (6)
> 

eq16 := epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))

epsilon*F(-(V(t)*alpha^4*beta^2-V(t)*alpha^2*beta^4-S(t)*alpha^4*beta^2+S(t)*alpha^2*beta^4+X(t)*beta^4-Z(t)*alpha^4+S(t)*alpha^4-S(t)*beta^4-X(t)*beta^2+Z(t)*alpha^2-S(t)*alpha^2+S(t)*beta^2)/(alpha^2*(alpha^2-1)*(alpha^2-beta^2)*beta^2*(beta^2-1)), (W(t)*alpha^3*beta-W(t)*alpha*beta^3+Y(t)*beta^3-U(t)*alpha^3-Y(t)*beta+U(t)*alpha)/((alpha^2*beta^2-alpha^2-beta^2+1)*beta*alpha*(alpha^2-beta^2)), (X(t)*beta^2-Z(t)*alpha^2+V(t)*alpha^2-V(t)*beta^2-X(t)+Z(t))/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), -(Y(t)*alpha*beta^2-U(t)*alpha^2*beta+W(t)*alpha^2-W(t)*beta^2-Y(t)*alpha+beta*U(t))/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), -(X(t)*alpha^2*beta^2-Z(t)*alpha^2*beta^2-X(t)*alpha^2+beta^2*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)), (Y(t)*alpha^3*beta^2-U(t)*alpha^2*beta^3-Y(t)*alpha^3+beta^3*U(t)+W(t)*alpha^2-W(t)*beta^2)/((alpha^2-beta^2)*(alpha^2*beta^2-alpha^2-beta^2+1)), (X(t)*alpha^4*beta^2-Z(t)*alpha^2*beta^4-X(t)*alpha^4+beta^4*Z(t)+V(t)*alpha^2-V(t)*beta^2)/((alpha^2-beta^2)*(beta^2-1)*(alpha^2-1)))

 (7)
> 

``

Download problem.mw

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

Asked by: achreftabet 60
solve rootfinding fsolve
April 28 2023
0  2

how can be solved this system in maple 18

restart

> 

fa[1] := -(1/4608)*V[0]^2+(1/4608)*W[0]^2+(1/2304)*U[0]*W[0]+(1/2304)*V[0]*Z[0]``

-(1/4608)*V[0]^2+(1/4608)*W[0]^2+(1/2304)*U[0]*W[0]+(1/2304)*V[0]*Z[0]

 (1)
> 

fa[2] := (1/153600)*(45*U[0]^2*V[0]-50*U[0]*V[0]*W[0]-50*U[0]*W[0]*Z[0]-5*V[0]*Z[0]^2-16*Z[0]*r[0]^2)/r[0]

(1/153600)*(45*U[0]^2*V[0]-50*U[0]*V[0]*W[0]-50*U[0]*W[0]*Z[0]-5*V[0]*Z[0]^2-16*Z[0]*r[0]^2)/r[0]

 (2)
> 

fa[3] := -(1/153600)*(5*U[0]^2*W[0]+50*U[0]*V[0]*Z[0]-16*U[0]*r[0]^2-50*V[0]*W[0]*Z[0]-45*W[0]*Z[0]^2)/r[0]

-(1/153600)*(5*U[0]^2*W[0]+50*U[0]*V[0]*Z[0]-16*U[0]*r[0]^2-50*V[0]*W[0]*Z[0]-45*W[0]*Z[0]^2)/r[0]

 (3)
> 

fa[4] := (1/115200)*(25*U[0]*V[0]*W[0]-25*V[0]*W[0]^2-160*V[0]*r[0]^2-25*W[0]^2*Z[0]-64*Z[0]*r[0]^2)/r[0]

(1/115200)*(25*U[0]*V[0]*W[0]-25*V[0]*W[0]^2-160*V[0]*r[0]^2-25*W[0]^2*Z[0]-64*Z[0]*r[0]^2)/r[0]

 (4)
> 

fa[5] := -(1/115200)*(25*U[0]*V[0]^2+64*U[0]*r[0]^2-25*V[0]^2*W[0]-25*V[0]*W[0]*Z[0]-160*W[0]*r[0]^2)/r[0]

-(1/115200)*(25*U[0]*V[0]^2+64*U[0]*r[0]^2-25*V[0]^2*W[0]-25*V[0]*W[0]*Z[0]-160*W[0]*r[0]^2)/r[0]

 (5)

``

> 

fa[6] := (11/57600)*U[0]^2+(1/768)*V[0]^2+(1/768)*W[0]^2+(11/57600)*Z[0]^2+(1/600)*r[0]^2

(11/57600)*U[0]^2+(1/768)*V[0]^2+(1/768)*W[0]^2+(11/57600)*Z[0]^2+(1/600)*r[0]^2

 (6)
> 

``

``

Download system.mw

How to solve differential equations with initial c...

Asked by: Prakash J 100
ode homework dsolve
April 26 2023
2  8

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?...

Asked by: Pi 30
integration syntax 2dmath
April 19 2023
0  2

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

> 

restart
> 

"al_eq:=`D__11`*(∫)[0]^(a)((ⅆ)^2)/((ⅆ)^( )x^2) A*((ⅆ)^2)/((ⅆ)^( )x^2) A ⅆx (∫)[0]^(b)B*B ⅆy;"

Error, invalid product/quotient

"al_eq:=`D__11`*(∫)[0]^a((ⅆ)^2)/((ⅆx)^2) A*((ⅆ)^2)/((ⅆx)^2) A ⅆx (∫)[0]^bB*B ⅆy;"

  
> 

``

B^2*b

 (1)
> 

``

Download 2.mw

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

Asked by: Pi 30
duplicate-question incomplete-question
April 18 2023
0  5

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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