User xenon - Mathematics Stack Exchange

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	793 reputation	bio	website		visits	member for	1 year, 11 months
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141

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Expanding Equation with Binomial Theorem

homework binomial-coefficients

nov 20 at 15:11 Micah 6,424

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1

answer

65

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Fraction values around the vertices of a Loop's subdivision

geometry computer-science

oct 29 at 16:30 rafaeldf 163

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2

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719

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Could a repeated eigenvalues of zero still have independent eigenvectors?

homework linear-algebra matrices

may 23 '12 at 12:01 wayne 1

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2

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78

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Finding Conditional Probabilities Problem

probability

apr 23 '12 at 16:22 André Nicolas 162k

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1

answer

2

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In what situations should I use and not use a pooled estimator for $\hat{p}$

statistics

apr 20 '12 at 13:13 Ronald 1,129

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1

answer

101

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How can I find the expected value due to the trials instead of simply expected value of trials of a geometric distribution?

probability statistics

feb 24 '12 at 21:02 André Nicolas 162k

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1

answer

151

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Finding the probability of getting no successes in a Geometric Distribution

probability statistics

feb 22 '12 at 16:06 joriki 92.8k

1

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1

answer

230

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Find all vectors in an intersection of 2 vector spans

linear-algebra matrices

nov 24 '11 at 16:45 Martin Sleziak 20.3k

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1

answer

73

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Finding the equation of plane that is transformed to a line

linear-algebra matrices transformation

nov 14 '11 at 19:07 Christian Blatter 32.7k

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1

answer

78

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Meaning of points and lines in a space

homework linear-algebra matrices

sep 10 '11 at 18:26 Willie Wong♦ 30.7k

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1

answer

44

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Counting the genus of a model

geometry

aug 18 at 15:14 Community♦ 1

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2

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735

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How do I find the sampling distribution for variance from sampling distribution of $\bar{X}$?

probability statistics

may 21 '12 at 17:46 John Engbers 773

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1

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201

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Describing about the probability distribution of a scenario

statistics

apr 23 '12 at 9:11 Bidit Acharya 1,285

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1

answer

106

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Finding the expected score of a set of questions

probability

apr 22 '12 at 19:46 Mark Bennet 9,913

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1

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84

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What are the $X_1, X_2, …, X_n$ in the Sampling Distribution of $\bar{X}=\frac { 1 }{ n } \sum _{ i=1 }^{ n }{ X_{ j } } $?

probability statistics

mar 19 '12 at 0:26 William DeMeo 1,440

0

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2

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110

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Result of Chebyshev's Inequality if just more than instead of more than or equals?

probability statistics inequality

feb 22 '12 at 12:24 Henry 32.1k

0

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1

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199

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Finding probability of recording head in a sequence of coin toss

probability

feb 7 '12 at 14:41 Henry 32.1k

0

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1

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133

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Thinking intuitively for probability multiplication rule

probability

feb 2 '12 at 8:30 Chris Taylor 13.2k

0

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1

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416

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Find point on sphere with directional tangent vector

differential-geometry multivariable-calculus analytic-geometry

nov 28 '11 at 11:34 Willie Wong♦ 30.7k

0

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2

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125

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Show that there exists an invertible $S$ for $A^2=0$ such that $S^{-1}AS=\begin{bmatrix} 0 & 0\\ 1 & 0 \end{bmatrix}$

linear-algebra matrices

nov 5 '11 at 11:53 Martin Sleziak 20.3k

0

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1

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93

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If $A\vec{x}=\vec{b}$ and $B\vec{x}=\vec{b}$ inconsistent, then $(A+B)\vec{x}=\vec{b}$ inconsistent?

linear-algebra matrices

sep 24 '11 at 20:20 Arturo Magidin 158k

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2

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55

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Should $S^{-1}=\Lambda^{-1} S^{-1}A$ or $S^{-1}=\Lambda S^{-1}A^{-1}$?

linear-algebra matrices

aug 20 '11 at 7:33 Did 103k

0

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1

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221

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How does number of signs of pivots same as number of signs of eigenvalues help in finding eigenvalues?

homework linear-algebra matrices

aug 17 '11 at 2:39 J. M. 38.9k

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3

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70

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Proving that if $\vec{k}$ is a least solutionof $A\vec{x}=\vec{b}$, then $c\vec{k}$ is for $A\vec{x}=c\vec{b}$

homework linear-algebra matrices

aug 4 '11 at 15:04 Ben Blum-Smith 3,457

0

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2

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206

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Recursive matrices raised to the kth power

homework linear-algebra matrices

aug 3 '11 at 16:46 Ross Millikan 83.6k

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1

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74

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Is the perpendicular vector in a projection part of the nullspace?

linear-algebra matrices vector-spaces

jul 13 '11 at 16:07 J. J. 2,596

xenon

56 Questions