Zixuan Li

2019년부터 활동

Followers: 0 Following: 0

통계학

Feeds

질문

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...

5년 초과 전 | 답변 수: 1 | 0

1

답변

질문

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 ...

5년 초과 전 | 답변 수: 1 | 0

1

답변

질문

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...

5년 초과 전 | 답변 수: 2 | 0

2

답변