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Warning: Matrix is singular, close to singular or badly scaled. Results may be inaccurate. RCOND = NaN
The following code uses `rk4` to simulate the dynamics defined via `fe` function. However, I encountered the warning `Warning: M...

2 years 前 | 1 个回答 | 0

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Grouping rows on the first column and obtain minimum value on second column
I have the following matrix A and would like to group it on the first column A = [13 7 13 6 13 5 13 6 12 7 12 5]; and th...

2 years 前 | 2 个回答 | 0

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obtain angle
obtain angle (deg format) from Sin and Cos

2 years 前 | 2 次下载 |

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How to define event function in ode45 solver as the slop of variable achieve certain value?
Hi! I want to solve the Van Der Pol equations using ode45 with event function as its stopping criteria. I would like to set the ...

2 years 前 | 1 个回答 | 0

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why Solve function does not give correct solution?
I use the following code to obtain the solutions, however, some given solutions do not satisfy the equations, for example, the f...

2 years 前 | 1 个回答 | 0

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