chyanog

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I'm interested in Mathematics, Programming.


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1d
 comment How to asynchronously download 100000 urls in an efficient way
You should consider using python.
2d
 awarded  Nice Question
2d
 revised How can I compile this function
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2d
 revised How can I create a list of functions?
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2d
 revised How can I create a list of functions?
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2d
 answered How can I create a list of functions?
May
17
 revised Can you recommend an efficient method for finding the least integer satisfying my inequality?
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May
16
 answered Problem with simplifying Sinc function
May
16
 revised How to simplify an expression with special functions to zero
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May
15
 answered How to simplify an expression with special functions to zero
May
13
 comment Symbolic integration in real domain only ( assumptions and ComplexExpand don't work)
@Artes Integrate[m^2/((1 - m^2)^2 + 1), {m, 0, 1}], Maple 17 gives 1/8 Sqrt[-1 + Sqrt[ 2]] (2 (2 + Sqrt[2]) ArcTan[Sqrt[2 (1 + Sqrt[2])]] + Sqrt[2] Log[5 + 4 Sqrt[2] - 2 Sqrt[2 (7 + 5 Sqrt[2])]])
May
13
 comment How to collect/reduce with respect to multiple variables?
@xzczd, Updated.
May
13
 revised How to collect/reduce with respect to multiple variables?
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May
12
 revised How to collect/reduce with respect to multiple variables?
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May
12
 revised How to collect/reduce with respect to multiple variables?
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May
12
 revised How to collect/reduce with respect to multiple variables?
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May
12
 answered How to collect/reduce with respect to multiple variables?
May
9
 accepted How do I put an image on the complex plane?
May
9
 comment Join all square root expressions?
Holw about expr //. Sqrt[x_] Sqrt[y_] -> Sqrt[x y].
May
9
 comment How do I expand StirlingS2[n, 10] in terms of elementary functions?
Try FunctionExpand[StirlingS2[n, 10], Element[n, Integers] && n > 0].
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