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  • 27 votes cast
Jul
21
accepted How to solve the system of equations $\{10^{-4}x_1+x_2=1, x_1+x_2=2\}$ using finite precision arithmetic with three significant figures?
Jun
30
asked How to solve the system of equations $\{10^{-4}x_1+x_2=1, x_1+x_2=2\}$ using finite precision arithmetic with three significant figures?
Jun
10
accepted USSR Exam problem
Jun
10
comment USSR Exam problem
I'm not sure how I ran into this problem, but my inability to arrive at enough equations currently causing me to doubt my abilities as a competent mathematician.
Jun
9
revised USSR Exam problem
added 76 characters in body
Jun
7
asked USSR Exam problem
May
28
asked Finding the mode of the negative binomial distribution
May
28
accepted Finding the mode of a distribution
May
27
asked Finding the mode of a distribution
May
21
accepted A CD players plays songs until a certain artist is selected.
May
21
comment A CD players plays songs until a certain artist is selected.
I'm not sure I following cii. I thought that would be taken care of in ci.
May
21
comment A CD players plays songs until a certain artist is selected.
Also, I noticed I left off an index on (b).
May
21
revised A CD players plays songs until a certain artist is selected.
added 4 characters in body
May
21
comment A CD players plays songs until a certain artist is selected.
Right, (c) is like a new situation.
May
21
asked A CD players plays songs until a certain artist is selected.
May
19
comment Derivation of the moment generating function of the geometric distribution - why is this wrong?
Yes. I kept not observing that this series began at 1 instead of 0.
May
19
accepted Derivation of the moment generating function of the geometric distribution - why is this wrong?
May
19
comment Derivation of the moment generating function of the geometric distribution - why is this wrong?
Where is that $e^t$ in the numerator coming from?
May
19
asked Derivation of the moment generating function of the geometric distribution - why is this wrong?
Apr
13
revised Computing reduced singular value decomposition
added 110 characters in body