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visits member for 1 year, 11 months
seen Aug 22 at 19:28

Jun
1
comment How do I enter the equation $y=\sin\frac{2\pi }{3}x$ into Wolfram Alpha?
You should use chat for questions like this. chat.stackexchange.com/rooms/36/mathematics
May
31
comment Are the solutions of $x^{x^{x^{x^{\cdot^{{\cdot}^{\cdot}}}}}}=2$ correct?
Note that interpreting it as $$x^2=2$$ demonstrates a problem-solving technique for 'infinite things'. You can use it for other problems involving infinite things which converge. See the solution for problem 4 in this question as an example: math.stackexchange.com/questions/407047/…
May
31
comment What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)
Let's take an example: 5*5=25. The reason you find it so easy is because you have used it so many times in your life. You don't actually have to 'actively remember' things. Another example is 4+5=9, one 'real way' of finding out that 4+5=9 is by drawing 4 circles and 5 circles, then counting how many total circles there are. We're just so used to addition and multiplication that they have become second nature. An analogy is that when we come across new math in our life, it requires effort to learn it, but after lots of using that math it becomes second nature.
May
31
comment Probability of k out of m microbes splitting.
My mistake: I've corrected my comment.
May
31
accepted Probability of k out of m microbes splitting.
May
31
comment Probability of k out of m microbes splitting.
Remark:'the probability of having $m+k$ microbes in the $n+1$th generation given you had $m$ in the $n$th' is equivalent to 'the probability of $k$ microbes splitting and $m-k$ microbes disintegrating in the transition from the $n$th to the $n+1$th generations', because $(m-k)+2k=m+k$
May
31
revised Probability of k out of m microbes splitting.
added 49 characters in body
May
31
comment Probability of k out of m microbes splitting.
Are you referring to the probability that k out of m microbes will split ?
May
31
comment My son's Sum of Some is beautiful! But what is the proof or explanation?
@hyg17 read this, it's worth your time! graphics8.nytimes.com/images/blogs/freakonomics/pdf/…
May
31
asked Probability of k out of m microbes splitting.
May
31
comment Find Probability that a player will win Nth match
Here's a working link for Dilip Sarwate's broken link: courses.engr.illinois.edu/ece313/sp2009/Problems.html
May
30
accepted Confusion regarding probability of microbe producing everlasting colony.
May
30
asked Confusion regarding probability of microbe producing everlasting colony.
May
25
awarded  Talkative
May
25
comment What is Putnam exam/competition?
@Jeremy see math.stackexchange.com/questions/400600/… and math.stackexchange.com/questions/400600/…
May
24
accepted What does it take to get a perfect score on the Putnam?
May
24
revised Studying for the Putnam Exam
fixed 'not all steps'
May
24
suggested suggested edit on Studying for the Putnam Exam
May
23
asked What does it take to get a perfect score on the Putnam?
May
14
awarded  Caucus