127 reputation
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bio website theoryofeverything.org
location Tucson
age 55
visits member for 1 year, 9 months
seen Sep 23 at 0:38

BSEE by education, IT Chief Technologist in Aerospace and Defense by trade, Avocational theoretical physics by passion


Apr
26
comment Mathematica does not understand (R^3)^(1/3) is the same as R
In addition to being complex, it could be quaternion or even octonion.
Mar
18
awarded  Critic
Mar
17
awarded  Commentator
Mar
17
comment How to Derive Tuples Without Replacement
Not sure why the timing difference in this comparison was the exactly the same to 7 digits (when the original test on RandomInteger[40,{6,11}] was almost double. Could it be memory paging or ?...
Mar
17
comment How to Derive Tuples Without Replacement
It is faster than my original answer, but much slower than a tweak suggested by Mr.Wizard. But I like this!
Mar
17
awarded  Vox Populi
Mar
17
awarded  Suffrage
Mar
17
revised How to Derive Tuples Without Replacement
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Mar
17
revised How to Derive Tuples Without Replacement
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Mar
17
comment How to Derive Tuples Without Replacement
Not sure why, except you need to sort the results for a True comparison. See last edits to my answer with explicit True comparison results.
Mar
17
revised How to Derive Tuples Without Replacement
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Mar
16
revised Octonions in Mathematica
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16
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16
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15
revised How to Derive Tuples Without Replacement
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15
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