2,919 reputation
519
bio website
location Connecticut
age 26
visits member for 1 year, 7 months
seen yesterday
stats profile views 362

First year graduate student in math at UMass Amherst.


May
15
awarded  Caucus
May
15
revised If $A,B\in M(2,\mathbb{F})$ and $AB=I$, then $BA=I$
added 421 characters in body
May
15
answered If $A,B\in M(2,\mathbb{F})$ and $AB=I$, then $BA=I$
Dec
18
comment How to come up with a formula for converting a set of numbers?
This is the sort of thing regression is good for.
Dec
18
comment Upper Triangular Form of a Matrix
I would recommend reading the Wikipedia entry on Jordan Normal Form.
Dec
18
comment Find a pair of polynomials
@AdenDong I'm glad my hint helped then :)
Dec
18
comment Find a pair of polynomials
@AdenDong Good to know. You could also just let $r(x)=1$.
Dec
18
comment Find a pair of polynomials
@AdenDong Glad to hear it! Did yours make use of the $r(x)$ polynomial? I was surprised that we didn't need it, and thought perhaps I had made a mistake.
Dec
18
answered Find a pair of polynomials
Dec
18
comment Find a pair of polynomials
Here's what we know: $a^2=1-2a$ and $b^2=1-4b$, so any time we consider polynomials in $c$ we get some polynomial which we can always reduce to something with just $a$, $b$, and $ab$ (no higher powers).
Dec
17
comment What exactly is infinity?
@ColeJohnson Just because some things which are not real numbers have that property does not mean all things which are not real numbers do.
Dec
17
comment Is the vector in the span?
To do this, in general, I recommend checking out this previous answer.
Dec
17
comment complex numbers
@Nick If you've figured it out, feel free to post an answer (and accept it).
Dec
17
answered parametric curves, parameter and integration
Dec
16
awarded  Suffrage
Dec
16
comment Resolve rational indefinite integral
I have added LaTeX to your question, please let me know if I have inadvertently changed the meaning.
Dec
16
revised Resolve rational indefinite integral
Latex
Dec
16
comment Number of polynomfunctions $\mathbb{Z}_3 \rightarrow \mathbb{Z}_3$
There are 27 functions from $\mathbb Z_3 \to \mathbb Z_3$. Are polynomial functions considered equal iff they have the same coefficients, or are the equal iff they are equal as functions?
Dec
16
revised Solving an equation with an integral
added 1 characters in body
Dec
16
comment proving cauchy condensation test
Actually, your $\Leftarrow$ argument needs to be slightly modified - write the string of series equalities in the other direction, since we know that the series $\sum 2^n a_{2^n}$ converges then you can ungroup the terms in the way that you want to.