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Momo


Last seen: 2 years ago |  Active since 2018

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how can we estimate from a fine-grid solution
" suppose we don’t know the exact solution but that we can afford to run the problem on a very fine grid" how can we do that is...

5 years ago | 0 answers | 0

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answers

Question


Matlab if statements in physics
What does the condition mean in Matlab, where x and y are the displacement that measures from [-1,1] if (abs(x)>=1) x=si...

5 years ago | 1 answer | 0

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answer

Question


error in Euler method
. could you please, check my code I did not get as the following pic. for i=1:length(T)-1 x1(i+1)=x1(i)+d...

5 years ago | 1 answer | 0

1

answer

Question


error of matrix dimensions must agree
dv1=(1/m1)*F21; 

5 years ago | 1 answer | 0

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answer

Question


How to change automatically the name of the title ?
I'm trying to compute a system of ODE by using different solvers.How to change the legend and title automatically depends on so...

6 years ago | 2 answers | 0

2

answers

Question


How to solve a system of ODE's by using Forward Euler method?
How I can rewrite the following code for a system ODE's y(t)=[y_1 y_2]'. Also, how can I write f( t(i) , y(i)) ,which is equal t...

6 years ago | 1 answer | 1

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answer

Question


How the error value appears in the graph?
Hello, I am trying to plot the difference between two polynomials some of graphs I could not get the value of the error on it l...

6 years ago | 1 answer | 0

1

answer

Question


How to construct cubic splines?
Hello, I am trying to implement the following code in Matlab but it dose not work. x = 2*pi*[0 1 .1:.2:.9]; y = cos(x); ...

6 years ago | 1 answer | 0

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answer

Question


the average rate of change of the function to find the derivative
I am trying to write a program to find f'(x)=f(x+h)-f(x)/h at different h I could not get the result. I do not know...

6 years ago | 1 answer | 0

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answer