Kyle

2013 年からアクティブ

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Warning: Matrix is singular to working precision. Help
So when the code gets to the line "uhat=A\b" it says Warning: Matrix is singular to working precision and every entry is NaN. I ...

12年以上前 | 1 件の回答 | 0

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質問

Finite Volume Problem Heat flow
Here is the question I have -Write a MATLAB function that solves the problem of two-dimensional heat ow in a rectangular bar ...

12年以上前 | 0 件の回答 | 0

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質問

Output of function not variable I assign
When I run this function I want that vector to be called u so I can use it in another script file. Instead it calls it "ans" whi...

13年弱前 | 2 件の回答 | 0

2

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質問

Warning: Matrix is singular to working precision. Help
So I keep getting a problem with the variable u_disc. The funnction will plot the first graph but cannot plot the second one. Th...

13年弱前 | 1 件の回答 | 0

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質問

multiple plots on a subplot
I just want something generic so I can have two subplots and two graphs on each subplot. I know how to do the two subplots but h...

13年弱前 | 2 件の回答 | 0

2

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質問

For loop dies in the middle of solving
So the function works until a point in the for loop. I debugged and figured out the exact spot is in the for loop when i=.6 if y...

13年弱前 | 2 件の回答 | 0

2

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質問

eigenvalues and eigenvectors question
Write a MATLAB routine that solves the problem: (d/dt)u=Au; u(0)=u0 dt given a matrix A and initial condition u0, and plots...

13年弱前 | 0 件の回答 | 0

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Plotting the graph of an exact solution against a discrete solution
So the problem is asking to write a routine for the finite discrete solution with -u''(x)=12x^2 ; domain x=[0,1] ; u'(0)=u...

13年弱前 | 0 件の回答 | 0

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質問

Attempted to access T(1,0); index must be a positive integer or logical.
I have to create a toeplitz matrix without using the command. my teacher said to start off with something like this. Its for thi...

13年弱前 | 1 件の回答 | 0

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