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seen May 29 '13 at 10:59

A lonely clown...


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24
awarded  Autobiographer
Jan
13
awarded  Editor
Jan
13
revised Is it possible to use PatternTest and Optional value on one Pattern simultaneously?
added 5 characters in body; edited title
Jan
13
comment Is it possible to use PatternTest and Optional value on one Pattern simultaneously?
@LeonidShifrin Wow! I'm reading your book MathProgrammingIntro now. I have learned a lot. Thank you~
Jan
13
accepted Is it possible to use PatternTest and Optional value on one Pattern simultaneously?
Jan
13
comment Is it possible to use PatternTest and Optional value on one Pattern simultaneously?
Thanks for your answer and modification.
Jan
13
asked Is it possible to use PatternTest and Optional value on one Pattern simultaneously?
Dec
11
accepted How to use Optional as an omissible parameter in pattern-match?
Dec
10
comment How to use Optional as an omissible parameter in pattern-match?
With your definition of intPolyQ, it turns out that intPolyQ[#, x] & /@ {x, 2 x, 2 x + 1, 2 x^2 + 3 x, 2 x^2 + 3 x + 1} returns {False, False, False, True, False} in my computer! What's wrong!? @Jens
Dec
10
awarded  Scholar
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10
awarded  Student
Dec
10
asked How to use Optional as an omissible parameter in pattern-match?