Zixuan Li

自 2019 起处于活动状态

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统计学

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why there is a small error in these simple calculations?
3e-4-3*10^-4 sum=0; for i=1:1000 sum=sum+0.001; end sum_output=sum this gives an answer of -5.4210108...

5 years 前 | 1 个回答 | 0

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why my adaptive RK4 code cannot be as efficient as ode45?
I wrote a code of adaptive RK4 method, the tolerance can be changed, and the idea is based on wikipedia (compare the difference ...

5 years 前 | 1 个回答 | 0

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what's the difference in accuracy between solving a stiff problem by ode15s and ode45?
It seems ode45 can also solve a stiff problem, but takes more time ( there are more data on finer grid as well, but the curve is...

5 years 前 | 2 个回答 | 0

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