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jojo


Last seen: circa 4 anni fa |  Attivo dal 2019

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Domanda


Error plotting with space and time
Hello, I do not understand how to plot/visualize a solution to some function with different time and space steps. I have the ...

circa 4 anni fa | 1 risposta | 0

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risposta

Domanda


Modify matrix for partial plot
How can I modify the for loops to create a bracket-shaped domain? In otherwords, I would like to plot everything and omit the fi...

circa 4 anni fa | 1 risposta | 0

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Domanda


log-log plot explained
How can do we produce a log-log visualization for the following data set? y=[0.6280 0.6554 0.6760 0.6877]; x=[0.27...

oltre 4 anni fa | 1 risposta | 0

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Risposto
fsolve to solve 5th order polynomial
This works. fun=@(r) (5/(r^2*9))- ((2)/(9*(6-r)^2))-r; x0 = 10; % some initial point x = fsolve(fun,x0)

oltre 4 anni fa | 0

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Domanda


fsolve to solve 5th order polynomial
I would like to solve the following polynomial numerically for r: I am trying to use fzero as follows: r= (5/(r^2*9))- ((...

oltre 4 anni fa | 2 risposte | 0

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risposte

Domanda


Problem using solve() and root muliplicity.
Why is this not working with the Rosenbrock ? It works with the test function. But how can I get it to work with Rosenb? The ...

oltre 4 anni fa | 1 risposta | 0

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Domanda


Contour Plot with trace
How can I plot the following data onto a contour instead? close all; clear all; clc; syms x f=@(x) -100.*(x(2)-x...

oltre 4 anni fa | 0 risposte | 0

0

risposte

Domanda


unable to perform assignment because the left and right sides have a different number of elements.
I need to update t and dx as shown below, but i keep getting the error: "unable to perform assignment because the left and right...

oltre 4 anni fa | 1 risposta | 0

1

risposta

Domanda


Runge Kutta for system of eqs
I would like to approxiamte and plot the following system of equations: { u' = v ; v' = -4*u' - 5 u} using the Runge K...

oltre 4 anni fa | 1 risposta | 0

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risposta

Domanda


solve an equation using solve() produces an array instead of a unique value
d = 32*h + 200*(32*h - 8)*((4*h - 1)^2 - 1) - 16 I am trying to solve for h using "solve(d,h)" , however, I keep getting an ...

oltre 4 anni fa | 1 risposta | 0

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