TuringTest
 Name:
 Max Spiegel
 School:
 Practice University
 About:
 "If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is." – John von Neumann
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Questions Asked

TuringTest:
test of site mechanics @DavidUsa
 updated 22 days ago
 28 replies
 1 Medal
Mathematics

TuringTest:
Any novel approaches to this integral? I only know one way to do it\[\large\int_{\infty}^{\infty}e^{x^2}dx\]
 updated 28 days ago
 12 replies
 3 Medals
Mathematics

TuringTest:
The taxi stand and the bus stop near Al's home are in the same location. Al goes there at a given time and if a taxi is waiting (this happen…
 updated 28 days ago
 52 replies
 3 Medals
Mathematics

TuringTest:
I just got 71% on my first probability test :(
Here is one I missed. The answers are not released yet so
1) I cannot confirm if we have co…
 updated one month ago
 62 replies
 3 Medals
Mathematics

TuringTest:
why is this true?\[\large\sum_{i<j}=\sum_{i=1}^{n1}\sum_{j=i+1}^n=\frac{n(n1)}2\]
 updated one month ago
 8 replies
 2 Medals
Mathematics

TuringTest:
Probability: Expected values for functions of random variables.
help me understand the last line of the proof.
Let \(Y\) be a random varia…
 updated one month ago
 5 replies
 1 Medal
Mathematics

TuringTest:
Probability: geometric random variables
Let \(X\) be a geometric random variable with parameter \(p\). Find the probability that \(X\ge10…
 updated one month ago
 20 replies
 2 Medals
Mathematics

TuringTest:
Probability: geometric random variables
Let \(X\) be a geometric random variable with parameter \(p\). Find the probability that \(X\ge10…
 updated one month ago
 3 replies
 1 Medal
Mathematics

TuringTest:
Probability (counting): Each one of n persons, indexed by 1,2,…,n, has a clean hat and throws it into a box. The persons then pick hats from…
 updated one month ago
 37 replies
 4 Medals
Mathematics

TuringTest:
(supposedly) Elementary probability:
A conservative design team, call it C, and an innovative design team, call it N, are asked to separate…
 updated 2 months ago
 58 replies
 4 Medals
Mathematics

TuringTest:
(supposedly) Elementary probability:
A conservative design team, call it C, and an innovative design team, call it N, are asked to separatel…
 updated 2 months ago
 63 replies
 No Medals Yet
Mathematics

TuringTest:
De Morgan's laws proof
 updated 2 months ago
 7 replies
 4 Medals
Mathematics

TuringTest:
C programming: DES decryption. Why am I segfaulting?
 updated 3 months ago
 8 replies
 1 Medal
Mathematics

TuringTest:
There a sphere of radius \(R\). We then drill a cylindrical hole straight through the sphere, so that the cylindrical hole has a height \(h\…
 updated 3 months ago
 28 replies
 3 Medals
Mathematics

TuringTest:
Derive the formula for the volume of a torus of internal radius \(r\) and outer radius \(R\) using the disk/washer method.
 updated 3 months ago
 50 replies
 3 Medals
Mathematics

TuringTest:
Suppose that \(f\) satisﬁes the equation \[f(x + y) = f(x) + f(y) + x^2y + xy^2\] for all
real numbers \(x\) and \(y\). Suppose further that…
 updated 3 months ago
 23 replies
 4 Medals
Mathematics

TuringTest:
C programming: loading a dictionary into a trie data structure. Why am I segfaulting?
 updated 4 months ago
 10 replies
 3 Medals
Mathematics

TuringTest:
C programming: Who wants to help me improve my code for resizing bitmaps?
 updated 4 months ago
 7 replies
 1 Medal
Mathematics

TuringTest:
OpenStudy not yet fully compatible Windows 8.
I know you guys on the dev team are working around the clock, but I'd like to highlight the m…
 updated 4 months ago
 14 replies
 9 Medals
Mathematics

TuringTest:
Anybody here taking the Quantum computation class from edX? I'm having quite a bit of trouble with the most recent homework on Grover's algo…
 updated 6 months ago
 No Medals Yet
Mathematics

TuringTest:
Prove that the \(n^{th}\) term of the Fibonacci sequence \(a_n\) is the closest integer to \(\phi^n/\sqrt5\) where\[\phi=\frac{1+\sqrt5}2\]i…
 updated 9 months ago
 8 replies
 2 Medals
Mathematics

TuringTest:
How is this true?
 updated 11 months ago
 12 replies
 2 Medals
Mathematics

TuringTest:
So, who's ready for the first project from CS188.1x ? I think some collaboration is in order here.
Note: I am NOT endorsing cheating. Do not…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

TuringTest:
More on tensor products
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

TuringTest:
How can you multiply a ket by a bra in that order? (no this is not a stupid joke)
 updated one year ago
 23 replies
 2 Medals
Mathematics

TuringTest:
Annoying Integral\[\int\frac{dx}{(x^2+a^2)(x^2+b^2)^{1/2}}\]
 updated one year ago
 10 replies
 5 Medals
Mathematics

TuringTest:
Quantum measurement and qubits.
 updated one year ago
 50 replies
 3 Medals
Mathematics

TuringTest:
For the idle mind: Prove that a number whose digits sum to three or nine is divisible by 3 or 9, respectively.
 updated one year ago
 3 replies
 2 Medals
Mathematics

TuringTest:
Would someone suggest some good online resources for probability and statistics? I don't know which to learn first, they seem rather related…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

TuringTest:
A reminder of the guidelines for music group.
 updated one month ago
 55 replies
 40 Medals
Mathematics
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