# Faraz Vossoughian

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**Content Feed**

Question

central difference coefficient matrix

Hi im trying to code the following coefiicient matrix A in a for loop in Matlab. N is the total number of elements. And i and j ...

3 years ago | 0 answers | 0

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answersQuestion

Laplace equation using central difference

Hi im trying to program a code that solves laplace equation using central difference. I already set up the boundary condition th...

3 years ago | 0 answers | 0

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answersQuestion

SIR model using fsolve and Euler 3PDF

Hi ive been asked to solve SIR model using fsolve command in MATLAB, and Euler 3 point backward. Im really confused on how to ...

3 years ago | 1 answer | 0

### 1

answerQuestion

implicit method by three pont backward method

Hi im trying to code the following implicit method 3 point backward method, but im not gettingt the right answer for y. Can ...

3 years ago | 0 answers | 0

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answersQuestion

ODE SYSTEM OF EQUATION

Hi, I'm trying to solve a system of ode's using Runge-kutta, i made a function for RK2(f,h,x0,y0,xfinal) and tried to solve the...

3 years ago | 1 answer | 0

### 1

answerQuestion

2DOF (ODE) response in MATLAB

Im trying to find the response to the 2DOF for the following system, initial conditions: with the the following force app...

3 years ago | 1 answer | 0

### 1

answerQuestion

Approximate solution for spring mass spring damper using backward (implicit),improved euler (predictir-corrector), central difference, and runge-kutta

Hi guys, Im trying to solve the response for mass-spring-damper system using the following approximate methods: Euler (backwar...

3 years ago | 0 answers | 0

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answersQuestion

Im trying to code the following equation (Attached) in MATLAB, could someone please tell me if i coded it right. Thanks

eqn=Ma.*sqrt(gam.*R.*Ta).*((1+f).*sqrt(T04./Ta).*(1+((gam-1)./2).*Ma.^2).^(-0.5))-1

4 years ago | 1 answer | 0

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answerQuestion

I get a wrong answer solving the following system of equations please help me out

clc clear all EA0=1e7; L=20; syms px0 a x b c L EA=EA0*(1-(x/(2*L))); uapp=a*(x/L)+b*(x/L)^2+c*(x/L)^3; d...

5 years ago | 1 answer | 0

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answerQuestion

Having difficulty performing symbolic integral

In my code the part im trying to calculate A0 , A1,A2 and zerolift i get the following error Error using sym/subsindex (lin...

5 years ago | 2 answers | 0

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answersQuestion

Having difficulty performing symbolic integral

In my code the part im trying to calculate A0 , A1,A2 and zerolift i get the following error Invalid indexing or function d...

5 years ago | 1 answer | 0

### 1

answerQuestion

complicated system of 3 equations,3 unknowns

I'm trying to solve a big system of 3 equations 3 unknowns, but i keep getting 0 for all three variables which i'm certain is wr...

5 years ago | 1 answer | 0

### 1

answerQuestion

Hi, Im having difficulty coming up with a fixed point function

I'm trying to write a fixed point function, but its not working please let me know what modifications i should make to this. f...

6 years ago | 0 answers | 0

### 0

answersQuestion

helpin me with a fixed point method function

Hi, Im having difficulty coming up with a fixed point function; this is what i came up with: please tell me what modifications i...

6 years ago | 0 answers | 0

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answersQuestion

(Matlab) This question is asking for 1- flow chart complition accorting to the given DE, all you have to do is matching the numbers on the smaller box on right with the letters on the flow chart 2-Function acco rding to the flow chart and given graph

(Matlab) This question is asking for 1- flow chart complition accorting to the given DE, all you have to do is matching the numb...

6 years ago | 0 answers | 0