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visits member for 2 years, 3 months
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Code for my breathing avatar here


You may contact me at: BelisariusForSO@gmail.com

But please don't email me with requests about Q&A. Post them in the site instead.

Infix should be used only where it is essential... like in "feliz año nuevo" @rm-rf


Oct
23
comment Efficiently searching a list for the position of the closest number to a specified number
@SjoerdC.deVries Yep, used it here mathematica.stackexchange.com/a/34620/193
Oct
23
comment Why is this expression being held, and how can I evaluate it?
I think the need for managing two separate Graphic spaces for the mouse events hasn't been answered before. Please check for it before voting to close
Oct
23
answered Why is this expression being held, and how can I evaluate it?
Oct
23
revised How to compute MIN$(A(x), B(x))$
added 108 characters in body
Oct
23
revised Efficiently searching a list for the position of the closest number to a specified number
deleted 1 characters in body
Oct
23
revised Efficiently searching a list for the position of the closest number to a specified number
added 129 characters in body
Oct
23
answered Efficiently searching a list for the position of the closest number to a specified number
Oct
22
comment How to find circular objects in an image?
Very nice. Perhaps a link to a good explanation of the Circular Hough Transform may help future readers
Oct
22
comment Problems with formatting a bar chart
Take a look here reference.wolfram.com/mathematica/tutorial/…
Oct
22
comment Pattern matching list elements in pure functions
Function[r, r /. {x_, y_} -> {x + 1, y + 2}][{a, b}]?
Oct
22
revised Plot lines keep disappearing
added 6 characters in body
Oct
22
comment How to compute MIN$(A(x), B(x))$
Thanks to @ssch :) chat.stackexchange.com/transcript/message/11805319#11805319
Oct
22
answered How to compute MIN$(A(x), B(x))$
Oct
22
comment Where did I go wrong with my implementation of the trapezoidal rule?
Still shorter: plot[f_, a_, b_, n_] := ListPlot[#, Filling -> Axis, Epilog -> {Line@#, Red, Point@MovingAverage[#, 2]}] &@ Transpose@{#, f /@ #} &@Range[a, b, (b - a)/n]
Oct
22
comment Is everything in Mathematica ultimately stored as a rule?
@Mr.Wizard At your service :)
Oct
22
comment Where did I go wrong with my implementation of the trapezoidal rule?
plot[f_, a_, b_, n_] := Show[{ListPlot[#, Filling -> Axis], Graphics[{Line@#, Red, Point@MovingAverage[#, 2]}]} &@ Transpose@{#, f /@ #} &@Range[a, b, (b - a)/n]]
Oct
22
comment Where did I go wrong with my implementation of the trapezoidal rule?
@Tangshutao it's a scoping problem. The pattern x_ inside the Module isn't referencing the same symbol than the x symbol in your x Log@x. To see it add a Print@Information@function in the Module after the function definition and you'll see that Mathematica appends a $ to the x_ to isolate contexts.
Oct
22
comment Is everything in Mathematica ultimately stored as a rule?
I was tempted to edit your title: "Do rules rule?" But my nose is still bleeding as a result of a limerick.
Oct
21
comment File output and race conditions
All your expectations sound very reasonable, but the OP asked "How can I be sure that Mathematica is done writing the file?" (emphasis mine) :)
Oct
21
comment File output and race conditions
No, I mean something worse: How do you know when Mathematica calls the OS to write the file?