Feeds
질문
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 ...
거의 13년 전 | 답변 수: 1 | 0
1
답변질문
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 ...
거의 13년 전 | 답변 수: 0 | 0
0
답변질문
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...
거의 13년 전 | 답변 수: 2 | 0
2
답변질문
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...
거의 13년 전 | 답변 수: 1 | 0
1
답변질문
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...
거의 13년 전 | 답변 수: 2 | 0
2
답변질문
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...
거의 13년 전 | 답변 수: 2 | 0
2
답변질문
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...
거의 13년 전 | 답변 수: 0 | 0
0
답변질문
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...
거의 13년 전 | 답변 수: 0 | 0
0
답변질문
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...
거의 13년 전 | 답변 수: 1 | 0
