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Feb
27
comment Apply Cauchy-Schwartz to vector?
Sorry this is a better link: en.wikipedia.org/wiki/Cauchy%E2%80%93Schwarz_inequality#Rn
Feb
27
comment Apply Cauchy-Schwartz to vector?
They have both. Under special cases they have $\mathbb{R}^n$
Feb
27
comment Apply Cauchy-Schwartz to vector?
They have the case for $\mathbb{R}^n$ on wikipedia: en.wikipedia.org/wiki/Cauchy%E2%80%93Schwarz_inequality With the proof.
Feb
23
comment Put this word problem into math terms: A man goes to a stream…
Specifically the part about 2. Die Hard
Feb
23
comment Put this word problem into math terms: A man goes to a stream…
You may want to look at this: ocw.mit.edu/courses/electrical-engineering-and-computer-science/…
Feb
18
comment Where does the function $f(x) =\Big[\frac{1}{2}*x\Big]$ contain discontinuities, left or right continuous?
@amWhy: Sorry, recently went of a released exam that used awkward notation. Used brackets as fractional part.
Feb
18
revised Where does the function $f(x) =\Big[\frac{1}{2}*x\Big]$ contain discontinuities, left or right continuous?
deleted 98 characters in body
Feb
18
revised Does my proof about convergent sequences look ok?
Added latex.
Feb
18
answered Where does the function $f(x) =\Big[\frac{1}{2}*x\Big]$ contain discontinuities, left or right continuous?
Feb
18
suggested approved edit on Does my proof about convergent sequences look ok?
Feb
17
revised How do I put this differential equation into mathcad 11
Added equation.
Feb
17
suggested approved edit on How do I put this differential equation into mathcad 11
Feb
17
comment Proving the sines and cosines of the special angles for the unit circle
Because adj and opp are both <1 in those cases
Feb
17
comment When will point with velocity hit line?
Constant velocity?
Feb
13
accepted Prove $\mathbb{Z} \times \mathbb{Z} / \left\langle (6,9)\right\rangle$ has an element of order 3
Feb
13
reviewed Approve Prove $\mathbb{Z} \times \mathbb{Z} / \left\langle (6,9)\right\rangle$ has an element of order 3
Feb
13
comment Prove $\mathbb{Z} \times \mathbb{Z} / \left\langle (6,9)\right\rangle$ has an element of order 3
Oh, I was thinking the quotient of two sets, so we would remove them completely, I guess group notation is slightly different then. Thank you for also clarifying there is no multiplication. :)
Feb
13
asked Prove $\mathbb{Z} \times \mathbb{Z} / \left\langle (6,9)\right\rangle$ has an element of order 3
Feb
11
revised Integration of a differential that is a function of itself.
added latex for ease of reading.
Feb
11
suggested approved edit on Integration of a differential that is a function of itself.