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May
8
answered Dynamically labeling a family of curves
Apr
25
awarded  Necromancer
Apr
23
answered How can I create a new tables out of a table and plot it
Apr
19
comment Determine the Number of Lines in a Text File
As written, the code is reading char by char. Who knows if the underlying implementation is reading in more efficient chunks? I agree that C++ I/O is a bit disappointing (and not the easiest to use either!). I might go buy a solid state drive to compensate.
Apr
18
answered Determine the Number of Lines in a Text File
Apr
18
comment Find point at which equation stops having roots (if it exists)
The help tells you how to go from the generalised incomplete gamma function to the incomplete gamma function. Then you could just evaluate the integral directly to get the rest. Or many pages (such as mathworld) give the identity for integer arguments.
Apr
18
answered Find point at which equation stops having roots (if it exists)
Apr
17
comment Find point at which equation stops having roots (if it exists)
Or more precisely for b > 6.88164.
Apr
17
comment Find point at which equation stops having roots (if it exists)
Actually you can have roots at negative M values for b > 2.
Apr
17
comment Find point at which equation stops having roots (if it exists)
That's the message indicating that there probably isn't a root. Also, I vote for b = 2.
Apr
11
awarded  Popular Question
Apr
8
comment Efficiently filling area with disks located at certain points
Using FindMaximum instead of NArgMax seems lots quicker and gives a similar result. Setting the starting radius to halfway to the closest point makes it even quicker.
Mar
13
comment How to calculate a gradient at x=0?
Why do you say it is too high?
Mar
13
answered Dropping n consecutive terms from a list periodically
Mar
5
accepted High memory use while exporting a BMP
Mar
5
awarded  Nice Question
Mar
4
revised High memory use while exporting a BMP
added 3270 characters in body
Mar
4
asked High memory use while exporting a BMP
Feb
7
awarded  Yearling
Jan
29
comment How can I make the output from Solve look nice?
That polynomial doesn't have nice roots, so I'm not sure what you are expecting. Perhaps Times @@ Roots[...] /. x == r_ -> x - r