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visits member for 1 year, 9 months
seen Aug 23 at 8:18

Jul
6
asked Defining a function that differentiates another function with rule replacement
Jul
6
comment How can I avoid a scoping problem when differentiating?
@Szabolcs Wow! So quick! Thank you very much! This works, and I thought I known the reason, but it terms out that I actually didn't know the true reason is x at that time.
Jul
6
asked How can I avoid a scoping problem when differentiating?
Jul
2
awarded  Inquisitive
Jul
2
awarded  Curious
Jun
26
comment How to get correct numerical integration which should be zero?
Thank you very much! AccuracyGoal works perfectly
Jun
26
accepted How to get correct numerical integration which should be zero?
Jun
26
asked How to get correct numerical integration which should be zero?
Jun
26
accepted Strange numerical integration result
Jun
26
comment Strange numerical integration result
Thank you very much! Trace is so useful!
Jun
26
comment Strange numerical integration result
What is more, the integration of berrycur is rather slow, it tooks me 40 seconds to give result 12.5664. Do you know how to speed it up?
Jun
26
comment Strange numerical integration result
Hi, MikeLimaOscar! Great explanation! How did you come up with the idea to test Integrate[berrycur[x, y][[1]], x, y]? This explains the unreasonable result. But I still want to know why Integrate gives (x^2 y)/2??? It seems that (x^2 y)/2 is the integration of x y in terms of x.
Jun
25
revised Strange numerical integration result
added 143 characters in body
Jun
25
revised Strange numerical integration result
added 8 characters in body
Jun
25
asked Strange numerical integration result
Feb
12
awarded  Popular Question
Feb
10
awarded  Popular Question
Jan
3
awarded  Necromancer
Dec
25
awarded  Popular Question
Dec
18
comment How to constrain memory usage on HPC?
Sorry for late response. I tried Evaluation -> Parallel Kernel Configuration, uncheck the "try to relaunch failure kernels". But it didn't work.