Joo Seo Lee

Last seen: 3 years 前 | 自 2020 起处于活动状态

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统计学

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making the code run in certain condition
for i=1:length(yearU) use=find(year==yearU(i)); Rad_s=Rad(use); Rad_s1=Rad_s(~isnan(Rad_s)); Rad_s1_sort=sor...

4 years 前 | 1 个回答 | 0

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Plotting the ODE without an analytical solution
How do I plot the equation d^2(x)/dt^2=0.002cos(x-t)-sin(x) where x(0)=0.2 and x'(0)=0 for t=0:100? I asked the question be...

5 years 前 | 1 个回答 | 0

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How do I solve this equation?
The given equation is d^2(x)/dt^2=0.002cos(x-t)-sin(x) I tried to solve it by for t=0:100 dsolve('D2x==0.002*cos(x-t)-si...

5 years 前 | 2 个回答 | 0

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plotting the graph changing by the range
the given equation is n=~20 x(n+1)=1.4x(n) for 0<x<0.5 x(n+1)=1.4(1-x(n)) for 0.5<x<1 I tried to use 'if' and 'elseif', ...

5 years 前 | 1 个回答 | 0

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How do I get this graph?
I want to get the graph of n and x(n) on x(n+1)=2.5*x(n)*(1-x(n)), where x(1)=0.9 I wrote x(1)=0.9; for n = 1:100, x(n+1)=...

5 years 前 | 2 个回答 | 0

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How do I get phase section of this equation?
the equation is y=dx/dt dy/dt=-0.05y-sin(x)+0.7 cos(wt) w is given 0.1, 0.2, 0.3... to 1.5 I can't set any equation as both ...

5 years 前 | 1 个回答 | 0

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