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Alexander Kimbley


Last seen: 1 year ago |  Active since 2018

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Solving second order ODE eigenvalue problem using RK4
Hi, I'm trying to solve the following ODE using RK4: y''+(lambda-x^2) y = 0 on [-L,L], subject to y(-L)=y(L)=0 (taking L=5 is ...

3 years ago | 1 answer | 0

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answer

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Solve ODE for the eigenvalue
Hi, I'm trying to solve for the eigenvalue X; for specific values M and Mf, with boundary conditions at infinity, that is, y...

4 years ago | 1 answer | 0

1

answer

Question


Plotting graph to represent positive/negative roots of polynomial.
Hi, I have code the calcualtes the roots for a polynomial over the double loop of 2 variables. I'm trying to plot a graph in...

4 years ago | 1 answer | 0

1

answer

Question


Double for Loop to find root of polynomial
Hi, I'm trying to code a double for loop for the variables M and L, allowing me to find the roots of the polynomial at each ...

4 years ago | 1 answer | 0

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answer

Question


bvp4c problem, unbounded shear layer

5 years ago | 1 answer | 0

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Question


using for loop function in bvp4c
Attached is my code, I need to be abe to pass the values of a=10:-0.01:0.001 through the code and obtain a value of c for each o...

5 years ago | 0 answers | 0

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Answered
Unbound Shear Layer boundary condition problem
The ODE is given by ((x-c)^2 -B^2)(y''-ay)=2(B^2)(y-(x-c)y')/((x-c)^2), -1<x<1, B constant, a wavenumber, c complex wave speed...

5 years ago | 0

Question


Unbound Shear Layer boundary condition problem
Hi, I'm very new to Matlab so bare with me, I'm trying to solve the unbounded shear layer problem for the internal section, betw...

5 years ago | 2 answers | 0

2

answers

Question


BVP4C code not giving an output & boundary condition issues.
Hi, I'm really new to matlab so the attached code could be completley wrong but I've attached it anyway. It doesn't give an outp...

5 years ago | 1 answer | 0

1

answer

Question


Shooting Method on ODE
Hi, I'm pretty new to Matlab so bare with me please. I need use the ODE below in the ode45 command for the shooting method but I...

5 years ago | 0 answers | 0

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answers

Question


Shooting Method On Harmonic Equation
I'm really new to Matlab, so this may be ridicously easy what I'm about to ask, but bare with me please. I'm trying to integrat...

5 years ago | 1 answer | 0

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answer

Question


Expanding a Polynomial from factorised form into general form.
How would I go about expanding the following polynomial in x so I could write it in the form p=@(a)[a_{1},a_{2},.......,a_{k}] ....

5 years ago | 0 answers | 0

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Question


How to use Shooting Method
I'm very new to Matlab so ill try my best to explain the problem, please bare with me. I have the following function ((x-c...

5 years ago | 0 answers | 0

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answers

Question


plotting a Polynomial function
Hi, I'm pretty new to MATLAB so bare with me please. I've got this code to calculate the complex part of the roots of the polyno...

5 years ago | 1 answer | 0

1

answer

Question


Problem with for loop plotting a graph
Hi I'm really new to Matlab so you'll have to bare with me. I'm trying to plot a graph using the for function but to no avail. ...

5 years ago | 1 answer | 0

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answer