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(also known as Spartacus)

Project Euler


See those two pins? Well today I'm going to... stick them in you.

Ok, let me come clean: Mr.Wizard is actually an alias of mine... I'm glad I can finally confess. ― Sjoerd C. de Vries

No, I'm Spatac... I mean, Mr.Wizard! ― R.M

I'm Mr.W, and so's my wife! ― acl


@Spartacus, it was not fixable. ― rcollyer

check again; I just fixed it. :-p ― Spartacus


"This is the internet, where the men are men, the women are men and the children are FBI agents..." ― yoda Dec 18 '11 at 6:06


"My main purpose of being here is in collecting the votes. I'd even go further and say that this is my main purpose in life." ― Leonid Shifrin


"I am making some voodoo dance and invoking the rain God while we talk" ― belisarius


Some people are fortunate. Others get married. ― belisarius


It's not that easy to do the untangling even manually though. – Szabolcs

Maybe you could turn it into a puzzle and let other people do the untangling :-) – Heike

I could make a web based game, and feed all my graphs to the visitors.
SE is a big game, isn't it? :D – Szabolcs



May
23
answered Finding the area, algebraic curve and jaggedness of an arbitrary shape
May
23
awarded  Nice Answer
May
23
comment Ηow to create an interpolated CDF from its samples?
On version 7 mlst = Join[{delta[[1]]}, (Most@delta + Rest@delta)/2, {delta[[-1]]}] is faster; can you confirm for v8? Also, consider tau = MapThread[Min, {{##, 1}, {1, ##}}] & @@ tau
May
23
revised Indefinite Integral long time plotting
deleted 525 characters in body
May
23
revised Plot Indefinite integral
deleted 514 characters in body
May
23
comment LocatorPane, Dynamic and deleting locators
broken code: brackets do not match
May
23
revised LocatorPane, Dynamic and deleting locators
added 16 characters in body
May
23
revised Finding ranges of a parameter for which a function is always positive
deleted 9 characters in body
May
22
comment Rotating perspective of an image in the z axis
@Heike that's a good result, but eyeballing the original image I don't think the rectangle on the right is level with the floor.
May
22
comment Rotating perspective of an image in the z axis
Second attempt, possibly more accurate: i.stack.imgur.com/bRprZ.png
May
22
comment Rotating perspective of an image in the z axis
Crop Perspective tool in Photoshop. I believe other graphics packages have a similar tool.
May
22
comment Rotating perspective of an image in the z axis
For what it's worth, I get something like this doing it by hand in a graphics program: i.stack.imgur.com/q1adk.png
May
22
revised How do I make NotebookEvaluate work inside Button?
deleted 114 characters in body
May
22
comment How do I make NotebookEvaluate work inside Button?
@celtschk please post that as an answer, or I shall. Christina, glad you've got it working!
May
22
comment Applying a for loop on Out[]
@stupidity that's OK. Take a look at these resources for help getting started. Also see Faysal's huge omnibus post of Mathematica resources. Last but not least, take advantage of the chat room.
May
22
comment How do I make NotebookEvaluate work inside Button?
Also, please try a fully qualified path name, e.g. "C:/User/Notebooks/file1.nb" or whatever.
May
22
comment How do I make NotebookEvaluate work inside Button?
Please evaluate this (and press the button) and report the result: Button["run file 1", TracePrint @ NotebookEvaluate[ "/../file1.nb"]]
May
22
revised Plot data from txt file?
added 13 characters in body
May
22
comment How do I make NotebookEvaluate work inside Button?
@Christina does Button["run 1", NotebookEvaluate["/../file1.nb"]] also work by itself?
May
22
comment Applying a for loop on Out[]
@stupidity I find the fact that you're using Out to store your expressions very confusing. I suggest you don't. I also suggest you set something reasonable like $HistoryLength = 3 to conserve memory, unless that is never a problem.