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  • 64 votes cast
Jun
21
awarded  Popular Question
May
27
comment Speed up derivative evaluation
@@Michael E2, the idea of vectorization is great. I get 20x speedup. I am curious about where does the time-saving come from? What if normalVector is also a function of θ?
May
26
comment Speed up derivative evaluation
@@Bichoy, I think Compile fails for functions containing D. The compiled version is slower.
May
26
comment Speed up derivative evaluation
Nice tip for speedup.
May
26
accepted Speed up derivative evaluation
May
26
comment Speed up derivative evaluation
`@Bichoy, great improvement ! another 15x speedup. Does compile support interpolation functions?
May
26
revised Speed up derivative evaluation
added 33 characters in body
May
26
asked Speed up derivative evaluation
May
3
accepted Take sublist with fixed interval
May
2
comment Take sublist with fixed interval
@2012rcampion yes, I found it in the basic examples.
May
2
revised Take sublist with fixed interval
added 33 characters in body
May
2
asked Take sublist with fixed interval
Apr
18
revised compute the gradient in high dimension
added 37 characters in body
Apr
18
comment compute the gradient in high dimension
`@Jens,Very general and comprehensive. I think the 2 in the first gradFilter function should be n. The code I provided is a little more efficient for 2 dimensional data though. :-)
Apr
18
accepted compute the gradient in high dimension
Apr
17
asked compute the gradient in high dimension
Mar
20
accepted Interpolate a discrete vector field
Mar
19
asked Interpolate a discrete vector field
Mar
15
awarded  Taxonomist
Jan
19
awarded  Yearling