Ricardo Machado

Last seen: 約4年前 | 2019 年からアクティブ

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質問

pdepe problem (numerical vs analytical solution)
So this is my pde: The IC for 0<x<1: The b.c for t>0. u is bounded. Using separation of variables by letting v = u-1, ...

約4年前 | 1 件の回答 | 0

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質問

solving a system of pdes using pdepe
So i have the follwing system of pdes: where . where . The symmetry boundary conditions are: The other two boundary ...

4年以上前 | 0 件の回答 | 0

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質問

Plotting diffusion eq.
I'm stuck at plotting the solution to the diffusion equation. For the provided c and D, what would be optimal time and distance ...

4年以上前 | 1 件の回答 | 0

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質問

simple linear programming problem
This is an example from my textbook Minimize 5x-7y-4z+6t Subject to 2x+6y+z-t <= 5 5x+3y-6z-2t <= 7 -x-3y+6z+2t <= 6 x,y,z,...

5年以上前 | 1 件の回答 | 0

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質問

ODE45 to solve a system of two coupled 2nd order ODEs
So this is my code for a system of coupled oscillators syms x1(t) x2(t) k1 k2 m Dx1 = diff(x1); D2x1 = diff(x1,2); Dx2 = di...

5年以上前 | 1 件の回答 | 0

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質問

Using ODE45 to solve two coupled second order ODEs
I used the ODE to vector field function to change my 2 coupled 2nd order ODEs to a system of 1st order ODEs. syms k1 k2 m t x1...

5年以上前 | 1 件の回答 | 0

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