Kainui
Name:
Steven Grigsby
School:
About:
I love math. I don't care how much you know, if you want to understand something, I'll do what I can to help you out!
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Questions Asked
Kainui:
Group Title
Fun integral \(\large \int\limits \delta ( \sin x ) dx \\ \large \delta(x) \text{ is dirac's delta}\)
updated 2 days ago
1 reply
No Medals Yet
Mathematics
Kainui:
Group Title
Weird differential equation
updated 8 days ago
9 replies
1 Medal
Mathematics
Kainui:
Group Title
How many pairs of natural numbers a,b where a and b are consecutive numbers and one is a square and the other is the factorial of a square?
updated 11 days ago
4 replies
1 Medal
Mathematics
Kainui:
Group Title
I wrote some code a while back to find the tangent of an angle, but now I'm not sure how it works, can someone help me figure it out again? …
updated 12 days ago
5 replies
3 Medals
Mathematics
Kainui:
Group Title
In mod n we can make an algorithm that gives us a new number. What value does x need to be to make this algorithm give unique results?
updated 14 days ago
69 replies
5 Medals
Mathematics
Kainui:
Group Title
Modular arithmetic thingy, how to prove this?
updated 14 days ago
1 reply
1 Medal
Mathematics
Kainui:
Group Title
@dan815 factoring a number "fourier series coefficient" style
updated 16 days ago
86 replies
5 Medals
Mathematics
Kainui:
Group Title
Testing out some different texts
updated 17 days ago
30 replies
2 Medals
Mathematics
Kainui:
Group Title
Minimizing number for number of divisors. Ideas?
updated 19 days ago
15 replies
1 Medal
Mathematics
Kainui:
Group Title
Integral of this function
updated 19 days ago
5 replies
No Medals Yet
Mathematics
Kainui:
Group Title
Drawing out 3D lines with extra complex numbers.
updated 19 days ago
78 replies
4 Medals
Mathematics
Kainui:
Group Title
Find the interval of convergence:
updated 19 days ago
12 replies
1 Medal
Mathematics
Kainui:
Group Title
If A is a subset of the real line \(\mathbb{R}\) and A contains each rational number, which of the following must be true?
If A is open,…
updated 19 days ago
No Medals Yet
Mathematics
Kainui:
Group Title
A tricky question, A is a real 2x2 matrix with distinct eigenvalues, A^2 has two distinct eigenvalues, true or false?
updated 19 days ago
2 replies
2 Medals
Mathematics
Kainui:
Group Title
A fun problem I found while studying that I'd like to share:
updated 19 days ago
32 replies
4 Medals
Mathematics
Kainui:
Group Title
A fair coin is flipped 100 times. H is the number of heads, T is number of tails, which of the following events has the greatest probability…
updated 19 days ago
56 replies
2 Medals
Mathematics
Kainui:
Group Title
Suppose X is a discrete random variable on the set of positive integers such that for each positive integer n, the probability that X = n is…
updated 19 days ago
25 replies
2 Medals
Mathematics
Kainui:
Group Title
For some reason I am not getting the right answer on what I thought was an easy problem:
updated 19 days ago
21 replies
4 Medals
Mathematics
Kainui:
Group Title
Integrating discontinuous functions
updated 21 days ago
77 replies
2 Medals
Mathematics
Kainui:
Group Title
Fun vector question!
updated 21 days ago
5 replies
2 Medals
Mathematics
Kainui:
Group Title
A and B are nonempty subsets of R and let f be a function from A to B. if C is a subset of A and D is a subset of B, is D a subset of f(f^-1…
updated 21 days ago
No Medals Yet
Mathematics
Kainui:
Group Title
Limits question
updated 21 days ago
7 replies
1 Medal
Mathematics
Kainui:
Group Title
Let f(x,y)=x^2-2xy+y^3 Which of the following is true?
updated 21 days ago
21 replies
1 Medal
Mathematics
Kainui:
Group Title
Symmetric matrix question.
updated 21 days ago
20 replies
2 Medals
Mathematics
Kainui:
Group Title
What is the integral:
updated 21 days ago
8 replies
2 Medals
Mathematics
Kainui:
Group Title
Vector Calculus: I want a line that starts at the vector P and ends at the vector Q, how do I figure this out? @Jhannybean @iambatman
updated 21 days ago
12 replies
2 Medals
Mathematics
Kainui:
Group Title
Show geometrically this is true:
updated 21 days ago
29 replies
4 Medals
Mathematics
Kainui:
Group Title
What are both primes p > 0 for which 1/p has a purely periodic decimal expansion with a period 5 digits long?
updated 22 days ago
82 replies
3 Medals
Mathematics
Kainui:
Group Title
Matrix thingy?
updated 22 days ago
40 replies
2 Medals
Mathematics
Kainui:
Group Title
Let \(C( \mathbb{R}) \) be the collection of all continuous functions from \(\mathbb{R} \) to \(\mathbb{R} \) . Then \(C( \mathbb{R}) \) i…
updated 23 days ago
1 reply
No Medals Yet
Mathematics
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