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Question
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...
3 years ago | 1 answer | 0
1
answerQuestion
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...
3 years ago | 2 answers | 0
2
answersQuestion
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 ...
3 years ago | 1 answer | 0
1
answerQuestion
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...
4 years ago | 1 answer | 0
