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Apr
8
answered Removing zero values from ordered pairs
Apr
8
reviewed Close Integral evaluation taking too long
Apr
8
reviewed Reviewed Removing zero values from ordered pairs
Apr
8
revised Removing zero values from ordered pairs
deleted 4 characters in body; edited tags; edited title
Apr
8
comment Manipulate - Flickering graphics
@cormullion, David: What OS do you use? I cannot see the blue point moving a nanopixel no matter how hard I look.
Apr
7
revised numerics wiki description
added 1952 characters in body
Apr
7
suggested approved edit on numerics tag wiki
Apr
7
revised machine-precision wiki description
added 313 characters in body
Apr
7
suggested approved edit on machine-precision tag wiki
Apr
7
comment Manipulate - Flickering graphics
@belisarius I was wondering about that myself. Does it really matter? No value of t gets out of the Manipulate to the Module, thus updating t does not cause interference with the symbolic nature of t in the equations. Generally of course I agree with you, but does it really have any risk here (apart from giving t any value in the Module)?
Apr
7
comment Manipulate - Flickering graphics
In your example, time is undefined. Nevertheless, when I set it to any numerical value, the example works as expected. If you refer to the fact that the red dot moves so fast around {0,0} that it seems to cut through some distance, you could try holding down the Alt key while moving the slider which slows down updating. For me it shows a smooth movement around the focus.
Apr
7
comment Negative power instead of fraction
Why was this downvoted and even flagged for closing as being "too localized"? I think it is a perfectly reasonable question given the aim of the poster (using external software) and is not trivial to solve based on the Documentation.
Apr
7
reviewed Leave Open Negative power instead of fraction
Apr
7
reviewed Leave Open FindMaxValue vs FindMaximum
Apr
7
awarded  Custodian
Apr
7
comment Kalman filter by hand
A pre-v9 related Wolfram Library Archive entry: Kalman Filter.
Apr
6
answered Sorting a matrix alphanumerically
Apr
6
reviewed Reviewed Factorize and find the null space of a polynomial in several variables
Apr
6
comment What's the internal command for entering a fraction?
@ens Please make sure that when you get enough rep you post it as a real answer instead of a comment! Nice and lucky first question, welcome to the site!
Apr
6
revised How to create a planar graph from a set of random points
added 77 characters in body