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bio website jpl.nasa.gov
location Pasadena, CA
age 47
visits member for 2 years, 8 months
seen 20 hours ago

Apr
20
comment Quantity and Trig functions
@Spawn1701D: How would I use N?
Apr
20
comment Quantity and Trig functions
@J.M.: That's certainly faster--more than an order of magnitude in my quick check.
Apr
19
revised Quantity and Trig functions
edited tags
Apr
19
asked Quantity and Trig functions
Apr
19
comment Built-in unit strings recognized by Quantity?
Good question! I hope Wolfram notices this question and intends to make the Quantity capability stand alone (I often use compound units and almost always run into this issue).
Apr
15
comment How can I speed up numerical integration of multidimensional integral?
One thing you could try is turning off symbolic preprocessing. I think you do this by including "SymbolicProcessing"->0 in the Method argument. I've found that symbolic preprocessing can be extremely time consuming if the integrand is complicated or algorithmic (rather than a formula).
Apr
15
comment How do I display a histogram with normalized counts?
I'm afraid I don't understand what you mean by "dwarfed"? That said, I'm not a statistician, so even if I understood your question, I probably couldn't provide you with a satisfactory answer.
Apr
15
answered How do I display a histogram with normalized counts?
Apr
15
awarded  Good Answer
Mar
4
awarded  Fanatic
Feb
27
comment GPU user experiences
My 3+ year old MacPro desktop with ATI Radeon HD 4870 runs your code in 0.077 sec. My 2012 MacBook Air with Intel HD Graphics 4000 runs it in 0.110 sec. Both are running MMA 9.
Feb
25
awarded  Popular Question
Feb
7
revised Why does Mathematica struggle with solving this equation?
edited tags
Feb
7
comment Why does Mathematica struggle with solving this equation?
Seems like a good idea.
Feb
7
comment Why does Mathematica struggle with solving this equation?
@OleksandrR.: Actually, I see your point. I suppose I was incorrectly expecting the same answer as NSolve provides, but the message from Reduce is pretty clear.
Feb
7
revised Why does Mathematica struggle with solving this equation?
edited tags
Feb
7
comment Why does Mathematica struggle with solving this equation?
I think Reduce is close to giving you the correct answer because -16.9154*-0.405465=6.85862, but for some reason it can't get rid of the complex value (0+2PiI). I would report this to Wolfram as a bug.
Feb
5
comment How do I make a 3DPlot using cylindrical coordinates?
@whuber: Of course you're right. I didn't read the question too carefully.
Feb
5
comment How do I make a 3DPlot using cylindrical coordinates?
Have you tried RevolutionPlot3D?
Feb
5
comment What does # mean in Mathematica?
You may find the Mathematica Documentation Center helpful for questions like this (you can just type # in the search field at the top and it will direct you to an explanation). In any case, here's a web version of the documentation: reference.wolfram.com/mathematica/ref/Slot.html