windsylph
Name:
Mark Poscablo
School:
About:
Saved not by works, but by grace through faith in Christ Jesus.
http://goodpersontest.com
--
I'm that person you see prancing around, just because power walking won't cut it.
.
..
...
Haha, just kidding. I power walk. Around the grounds of Wesleyan Academy. Straight through Village East Ave. Passing by Gateway. Who knows, maybe I'd even end up at 12525 Jones Rd.
Oh, how in the world..
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Questions Asked
windsylph:
If A is a subset of C and B is also a subset of C, then is A union B a subset of C also (subset, not a proper subset)? Intuitively, I'd say …
updated one year ago
5 replies
1 Medal
Mathematics
windsylph:
LaTeX: Is there a macro for the curly inequality (like the ones used to represent partial orders)?
updated one year ago
3 replies
1 Medal
Mathematics
windsylph:
LaTeX: Is there a macro for the curly inequality (like the ones used to represent partial orders)?
updated one year ago
47 replies
2 Medals
Mathematics
windsylph:
Let S be the set of all people in the world, a and b be people in S, and R be the relation given in each item below. Is (S,R) a partially or…
updated one year ago
22 replies
2 Medals
Mathematics
windsylph:
Discrete Math: Relations: A round bracelet has three beads equidistant from each other. The top bead is red, the left lower bead is blue, an…
updated one year ago
No Medals Yet
Mathematics
windsylph:
Discrete Math: Relations: A round bracelet has three beads equidistant from each other. The top bead is red, the left lower bead is blue, an…
updated one year ago
No Medals Yet
Mathematics
windsylph:
Prove that if an ordered pair of ordered pairs ((a,b),(c,d)) has the property ad=bc, then this property is transitive, i.e. if another order…
updated one year ago
11 replies
1 Medal
Mathematics
windsylph:
Find a solution to the sequence 2, 14, 86, 518, 3110, ... . In other words, find a closed form of the recursive function a_n = 6a_{n-1} + 2.
updated one year ago
3 replies
1 Medal
Mathematics
windsylph:
In the Tower of Hanoi problem, suppose you have three pegs and n disks. How many different arrangements are there of the n disks on three pe…
updated one year ago
8 replies
2 Medals
Mathematics
windsylph:
In the Tower of Hanoi problem, suppose you have three pegs and n disks. How many different arrangements are there of the n disks on three pe…
updated one year ago
No Medals Yet
Mathematics
windsylph:
Take f_n as the nth Fibonacci number. What other ways can you express 5*f_{n+1}?
updated one year ago
No Medals Yet
Mathematics
windsylph:
How many bit strings of length 10 contain exactly 5 bits equal to 1? Is it 2^10 - 2^5?
updated one year ago
12 replies
1 Medal
Mathematics
windsylph:
Prove that the sum of n harmonic numbers H_1 + H_2 + ... + H_n = (n+1)H_n - n
updated one year ago
26 replies
2 Medals
Mathematics
windsylph:
Discrete Math: Union from i = 1 to infinity of A_i where A_i = (0,i), that is, the set of real numbers x such that 0 < x < i? I answered {x …
updated one year ago
3 replies
3 Medals
Mathematics
windsylph:
Logic/Discrete Math: Let x be a tool, and P(x) be the statement "an x is in excellent condition". How do you express "No tool is in excellen…
updated one year ago
6 replies
1 Medal
Mathematics
windsylph:
Discrete Math: Determine whether the statement "for all x, P(x) is true if and only if Q(x) is true" and the statement "for all x, P(x) is t…
updated one year ago
4 replies
2 Medals
Mathematics
windsylph:
ODE's/Elec Eng'g: The circuit elements in a strictly parallel RLC circuit are R = 312.5 Ohms, L = 50 mH, and C = 200 nF. The initial inducto…
updated 2 years ago
3 replies
No Medals Yet
Mathematics
windsylph:
2nd Order Elec Circuits: For a strictly parallel RLC circuit with parameters R, L=275mH, and C=10nF, find the value of R that will yield a d…
updated 2 years ago
2 replies
2 Medals
Mathematics
windsylph:
ODE's/Electrical Eng'g: Find v(t) for the RLC circuit in this picture: http://dl.dropbox.com/u/17638088/rlc%20overdamped.PNG given v(0+) = 1…
updated 2 years ago
10 replies
1 Medal
Mathematics
windsylph:
How many bit strings of length 12 contain
a) exactly three 1s?
b) at most three 1s?
…
updated 2 years ago
13 replies
2 Medals
Mathematics
windsylph:
How many numbers must be selected from the set
{1, 3, 5, 7, 9, 11, 13, 15} to guarantee that at least one pair
of these numbers add up to …
updated 2 years ago
2 replies
1 Medal
Mathematics
windsylph:
How many strings of eight uppercase English letters are there that start with X, if no letter can be repeated?
updated 2 years ago
8 replies
1 Medal
Mathematics
windsylph:
Prove the attached problem (in the first comment) by mathematical induction (don't use strong).
updated 2 years ago
1 reply
No Medals Yet
Mathematics
windsylph:
K-Maps: Please check if these K-Maps are simplified enough?
updated 2 years ago
1 reply
No Medals Yet
Mathematics
windsylph:
Anyone here an electrical/computer engineer?
updated 2 years ago
2 replies
No Medals Yet
Mathematics
windsylph:
Discrete Math: Does Theta(n^2 + 2n + 42) = Theta(n^2) hold? (Big Theta notation)
updated 2 years ago
1 reply
No Medals Yet
Mathematics
windsylph:
Discrete Math: Does Theta(n^2 + 2n + 42) = Theta(n^2) hold? (Big Theta notation)
updated 2 years ago
1 reply
No Medals Yet
Mathematics
windsylph:
Limit of |n^3|/|n^2 + nlog n| as n->infinity?
updated 2 years ago
6 replies
1 Medal
Mathematics
windsylph:
Regarding Big O notation, if the limit from n to infinity of |f(n)|/|g(n) approaches 0, will f(n) still = O(g(n))?
updated 2 years ago
2 replies
No Medals Yet
Mathematics
windsylph:
If a function f1 is less than or equal a function g1, and a function f2 is less than or equal g2, does it follow automatically that f1f2 is …
updated 2 years ago
15 replies
1 Medal
Mathematics
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