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Peter Phung


Last seen: presque 3 ans il y a |  Actif depuis 2017

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Need help with Runge Kutta 4th order code
I am trying to plot example 5.3 in my heat transfer textbook using 4th order Runge Kutta and on the graph in the text book, it s...

environ 6 ans il y a | 1 réponse | 0

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I have a function and I would like for it to print out an answer if I feed it a value.
I am using the Colebrook equation, which is a function of "f" and "Re" *PLEASE READ*(RE IS WHERE 126,400 IS). I haven't used MAT...

plus de 6 ans il y a | 1 réponse | 0

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I keep getting an error stating that fsolve has stopped because it has exceeded the function evaluation limit.
Here is my code %% Fsolve portion fun = @root2d; x0 = [10000,1]; x = fsolve(fun,x0); %% Actual functions function F = r...

plus de 6 ans il y a | 1 réponse | 0

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Is there anyway that I can have a function and what I must type into the command window in a script?
I would like to have a function, namely fsolve, and what you must put into the command window to output an answer into one .m fi...

plus de 6 ans il y a | 1 réponse | 0

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Question


Question about typing in a function
I have a function that my professor wants me to type into matlab and find where it converges to zero. I am having problems with ...

plus de 6 ans il y a | 1 réponse | 0

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Why do I get this error for my gauss seidel code?
a = [3 -.1 -.2; .1 7 -.3; .3 -.2 10]; b = [7.85; -19.3; 71.4]; x = [0;0;0]; imax = 10; es = 1e-6; lambda = 0.5;...

environ 7 ans il y a | 1 réponse | 0

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Need help computing average time for a code I made
My professor wants me to generate a loop that will run my code 10 times. For those 10 times he wants me to compute the time for ...

environ 7 ans il y a | 1 réponse | 0

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Question


Help with Newton Raphson question.
My function is: f(x) = (x + 5.371)^2*(x-100) My initial guess is x0 = 0 I have to use the Newton Raphson method and 1st modifi...

environ 7 ans il y a | 1 réponse | 1

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Question


My Modified regula falsi code has the same number of iterations and error value as the regular falsi code that I made. Why is this?
This is my modified regula falsi code clear all; clear clc; g = 9.81; %acceleration m/s^2 m = 68.1; %mass, kg t = ...

environ 7 ans il y a | 1 réponse | 1

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Question


Why am I not getting different values for the absolute value percent error?
The question that is in the textbook that I have states: The infinite series converges on a value of f (n) = π4/90 as n appro...

environ 7 ans il y a | 1 réponse | 0

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