Richardson Joseph

Western sydney university

Actif depuis 2015

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Evaluating a value of a function and add to the previous value using for loop.
I have the following function; A=(1./pi).*sin(180).*gamma(2).*(((T+x).^-2)+(abs(T-x).^-2).*sign(T-x)); and want to evaluate ...

environ 8 ans il y a | 1 réponse | 0

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Question

How to obtain a numeric value of an integral involving 3 variables and a bessel function?
Hello, I'm facing a problem in defining the following problem; e=0:0.01:1; a=17.6e-6; lambda = 1.0084; ...

plus de 8 ans il y a | 1 réponse | 0

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Question

How to evaluate integral on a particular point using trapz?
I extracted x and y data from a certain plot and now if there are 100 points in x and I want to evaluate an integral from x 0 to...

plus de 8 ans il y a | 1 réponse | 0

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Question

How can I solve a 4th Order ODE in a loop?
Below code solves 4th order ODE for a particular value of h. I'm intending to get results for h=0.1*l:0.1*l:l (likewise for each...

plus de 8 ans il y a | 1 réponse | 0

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Question

Difficulty in obtaining symbolically general solutions for Quartic equation.
The quartic equation is given as; (l^2)x^4+(2*y*l^2)x^3-(2*l^2*E^2+(y*l)^2+1)x^2-y*(1+2(l*E)^2)x+(l^2*E^4+E^2) here, l, E ...

plus de 8 ans il y a | 1 réponse | 0

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Can anyone help me to get results from the program given below?
Below program is running well (for let say, Testsmooth(1,1,0,1)), but when I change the "F3(ss)" to "1/F3(ss)", it doesn't give...

presque 9 ans il y a | 1 réponse | 0

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Question

I'm facing some problems in utilizing the plot result provided by the program (given below) for further calculations.
The plot provided by the program is required for the evaluation of the E(S) along with the variable used in the code. The code i...

presque 9 ans il y a | 1 réponse | 0

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Question

Can anyone help me rectifying the error shown while executing this program?
I'm trying to run the program given as follows; I received the following error Attempted to access Kvals(:,2); index out of...

environ 9 ans il y a | 1 réponse | 0

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Question

Hello, Could anyone help me in rectifying the error while solving the ODE using bvp4c?
function main global yright figure (1); hold on; yright=0.0; P=10e-9; E=102e9; h=200e-9; b=2*h; Es=...

environ 10 ans il y a | 1 réponse | 0

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Question

I tried to solve fourth order differential equation using bvp4c.However, there seems to be an error while running it.Could you please let me know the potential mistake in the program?Thanks
The code is written as follows; function main figure (1); hold on; l=17.6e-6; P=1e-6; E=1.44e9; h=0.1*l; b...

plus de 10 ans il y a | 2 réponses | 0

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Question

I have written a code to plot two variables x and y (which are defined in the code),though there isn't any error in execution but there is nothing in the figure i.e.the plot is blank,Can anyone help me to find whats wrong here?
function energy figure (1); hold on; E=1.44e9; a=400e-6; h=20e-6; b=40e-6; l=17.6e-6...

plus de 10 ans il y a | 1 réponse | 0

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I am trying to solve a second order ODE using Finite difference method.I have written a code as below but it shows error upon running.Can anyone help me find the potential error in my code.Thanks
function [x,U]=FD(a,b,ua,uxb,f,n) a=0;b=10;n=100; h=(b-a)/n; h1=h*h; A=sparse(n-1,n-1); F=zeros(n-1,1); for i=...

plus de 10 ans il y a | 1 réponse | 0

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Question

Hi all, I am trying to solve a fourth order differential equation using bvp4c.Below is my code.Can anyone help me to find the mistake in my code for which matlab is showing the following error?Thanks you
function sol = Fig1 solinit=bvpinit(linspace(0,30,50),@guess); sol=bvp4c(@cantileverode,@cantileverbc,solinit); xint=li...

plus de 10 ans il y a | 2 réponses | 0

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