photo

Robin


Con actividad desde 2011

Followers: 0   Following: 0

Mensaje

Estadística

  • Thankful Level 1

Ver insignias

Feeds

Ver por

Pregunta


How do you set up a boundary value problem?
I posted this question a couple days ago, but I recieved no response: http://www.mathworks.com/matlabcentral/answers/13321-i-...

casi 13 años hace | 1 respuesta | 0

1

respuesta

Pregunta


I am having a lot of trouble solving this boundary value problem?
So Basically here is the problem: I was given a second order function that models longitudinal displacements in a longitudinal...

casi 13 años hace | 0 respuestas | 0

0

respuestas

Pregunta


I need help solving this second order differential equation?
I was given a second order function that models longitudinal displacements in a longitudinally loaded elastic bar. a(x)*u''(...

casi 13 años hace | 1 respuesta | 0

1

respuesta

Pregunta


I cannot find the index of a specific element in an array?
I have an array of non-repeating elements, X. I need to find the index of a specific element, 1.5 in X. I am trying to do index=...

casi 13 años hace | 1 respuesta | 0

1

respuesta

Pregunta


Index of a matrix?
I have two column matricies x and y (neither of them have repeating numbers). I want to search for a number in matrix x, get th...

casi 13 años hace | 1 respuesta | 0

1

respuesta

Pregunta


Initial conditions on ODE45 ?
Im trying to solve this IVP: e^y +(t*e^y - sin(y))*(dy/dt)=0 with the initial condition y(2)=1.5. I was just not sure how to...

casi 13 años hace | 2 respuestas | 0

2

respuestas

Pregunta


Matlab plotting direction field, stable or unstable?
I'm trying to figure out which equilibrium solutions are stable and unstable for this differnetial equation (Gompertz model) ...

casi 13 años hace | 0 respuestas | 0

0

respuestas

Respondida
I'm trying to plot this contour graph, but it just does not work?
I am not sure why matlab was not able to solve for this equation, however if you try to solve for it symbolically using Dt, inst...

casi 13 años hace | 0

| aceptada

Pregunta


I'm trying to plot this contour graph, but it just does not work?
I tried to solve this differential equation: e^y+(t*e^y - sin(y))*(dy/dt)=0 using the symbolic solver dsolve, I inputed this a...

casi 13 años hace | 2 respuestas | 0

2

respuestas

Pregunta


I'm trying to use dsolve to solve this differential equation, but it does not work
I'm trying to solve this differential equation using dsolve in matlab, so this is what Im trying to run: eqn = 'Dy=-exp(y)/(t...

casi 13 años hace | 2 respuestas | 0

2

respuestas