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maogenc
  • Member for 11 years, 9 months
  • Last seen more than a month ago
43 votes
3 answers
78k views

Bayes rule with multiple conditions

5 votes
2 answers
13k views

help understanding step in derivation of correlation coefficient

5 votes
3 answers
7k views

Taylor expansion for $\sqrt{x+2}$

5 votes
1 answer
226 views

hint with Bayes rule problem

5 votes
1 answer
2k views

trying to understand the incremental form of the Taylor series expansion

4 votes
1 answer
3k views

applying iterated expectation when conditioning on multiple random variables

3 votes
4 answers
102 views

derailed in solving the convergence of $\int_{x=2}^\infty \frac{1}{xe^x} dx$ with a Taylor expansion

3 votes
1 answer
112 views

finding the unspecified ${\bf E}[X]$ and $\rm var(X)$ given the expectation of higher powers of $X$

2 votes
2 answers
90 views

question about applying a comparison test to a sequence

2 votes
3 answers
722 views

Finding the second derivative of an infinite series

2 votes
1 answer
157 views

checking that an initial condition holds for the heat equation

2 votes
1 answer
446 views

question about deriving the midpoint method

2 votes
1 answer
2k views

Difference between E( expression ) and E[ expression ] for expected value

2 votes
1 answer
62 views

experiencing methodological consternation in correctly applying Newton's method

2 votes
1 answer
169 views

still trying to figure out details of Newton's method

2 votes
2 answers
110 views

failed application of magicry in Taylor expansion of $1/x^2$ near $x=2$

1 vote
1 answer
286 views

trouble expanding taylor series about a point other than zero using geometric series

1 vote
1 answer
4k views

How do you determine what the coefficients are on a Taylor series expansion if the derivative is too hard to compute?

1 vote
0 answers
85 views

looking for explanation behind solution for a 1st order recurrence relation.

1 vote
1 answer
136 views

Help with $E(X)^2 = \sum r^2 P(X=r)$

1 vote
1 answer
48 views

relating $\hat {p}$ to $\bar{x} $

1 vote
0 answers
94 views

standard error in a dice betting game

1 vote
1 answer
415 views

question about intermediate step in trig identity

1 vote
1 answer
994 views

understanding solution to reward indicator problem

1 vote
1 answer
313 views

Frobenius method produces recurrence relation that doesn't pass the smell test

1 vote
1 answer
783 views

Thinking through a Taylor error bound for arcsine

1 vote
1 answer
180 views

help with funky function definition

0 votes
0 answers
1k views

Using the Jacobian matrix to find surface area without a change of basis.

0 votes
0 answers
70 views

off by one when trying to solve the sum of a geometric series

0 votes
0 answers
32 views

solution check for approximating derivative using a Taylor expansion.