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Janee


Last seen: 4일 전 |  2023년부터 활동

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Trying to understand the implementation of boundary conditions in this MATLAB code
I am following with the textbook: Lloyd N. Trefethen, Spectral Methods in MATLAB, SIAM and trying to understand a very particula...

15일 전 | 답변 수: 0 | 0

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Chebyshev Differentiation Matrix using two methods in MATLAB
I am trying to compare between two ''methods'' or functions that calculate the Chebyshev differentiation matrix. The first metho...

대략 2개월 전 | 답변 수: 1 | 0

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Understanding FFT in MATLAB
I am exploring the differences between fftw in MATLAB and C/C++. I think this maybe a straightforward question but for some reas...

4개월 전 | 답변 수: 1 | 0

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Why is my code returning incorrect result?
I have two codes that solve the same problem, but one is returning the correct solution and the other is not. I don't seem to se...

5개월 전 | 답변 수: 1 | 0

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How to subtract two column vectors properly?
I am trying to calculate the discretization error in my code which is simply the difference between my numerical solution and ex...

6개월 전 | 답변 수: 1 | 0

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Error: Incorrect dimensions for matrix multiplication
I have the following code which is an iterative solver that solves for a linear poisson's equation as a simple test: clearvars;...

9개월 전 | 답변 수: 1 | 0

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Error: Warning: Matrix is close to singular or badly scaled. Results may be inaccurate.
I am getting this error after implemnting my BCs: clc; clear all; N=30; % compute the chebyshev differentiation matrix and x-...

10개월 전 | 답변 수: 2 | 0

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