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Mar
31
awarded  Custodian
Mar
31
reviewed Approve Find Where the Function $3x^4-4x^3-12x^2+5$ is Increasing and Decreasing
Mar
31
answered Find Where the Function $3x^4-4x^3-12x^2+5$ is Increasing and Decreasing
Feb
13
accepted How many 5-character passwords can be made from 5 characters with joins?
Feb
13
comment How many 5-character passwords can be made from 5 characters with joins?
Thanks. Is the total therefore 3125 + 5000 + 6000/4 = 9625?
Feb
13
accepted What is probability that a sample covers all classes?
Feb
13
answered What is probability that a sample covers all classes?
Feb
1
awarded  Yearling
Jan
31
comment what does $p(-1) = 0$ mean?
is there a function p(x) defined anywhere else in the question?
Jan
26
awarded  Popular Question
Jan
24
answered find a vector with certain magnitude that is parallel to another vector
Jan
24
comment An Elementary Convergence Problem in Probability
Do the density functions integrate to 0? Do they need to be delta functions to integrate to 1?
Jan
3
comment what $A$ makes $X$ in $\dot{X}=-AX$ converge?
Yes, because the matrix X can be treated as n separate n x 1 vectors
Jan
3
comment what $A$ makes $X$ in $\dot{X}=-AX$ converge?
Also en.wikipedia.org/wiki/…
Dec
24
answered Can Point inside quad be determined with angles alone?
Dec
24
comment Can Point inside quad be determined with angles alone?
?? typo ∠CGB+∠BGE+∠EGD=180
Dec
24
comment How many 5-character passwords can be made from 5 characters with joins?
@sashasami Thank you
Dec
24
revised How many 5-character passwords can be made from 5 characters with joins?
added 2 characters in body
Dec
24
asked How many 5-character passwords can be made from 5 characters with joins?
Oct
3
revised What is probability that a sample covers all classes?
Corrected formula, used same notation as possible duplicate