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jojo


Last seen: 4 years 前 |  自 2019 起处于活动状态

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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 ...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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已回答
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)

4 years 前 | 0

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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))- ((...

4 years 前 | 2 个回答 | 0

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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 ...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 0 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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 ...

4 years 前 | 1 个回答 | 0

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