-
variable X with
probability density function p(
x) is σ = ∫
X (
x − μ ) 2 p (
x ) d
x , where μ = ∫
X x p (
x ) d
x , {\displaystyle \
sigma ={\sqrt {\int...
-
X; the
title character crosses the
world to stop the
rebellious Sigma from
leading humanity to
extinction and have the
Mavericks rule the world.
X's origins...
- σ-algebra ("
sigma algebra"; also σ-field,
where the σ
comes from the
German "Summe") on a set
X is a
nonempty collection Σ of
subsets of
X closed under...
- {\begin{aligned}\
sigma _{1}=\
sigma _{
x}&={\begin{pmatrix}0&1\\1&0\end{pmatrix}},\\\
sigma _{2}=\
sigma _{y}&={\begin{pmatrix}0&-i\\i&0\end{pmatrix}},\\\
sigma _{3}=\sigma...
-
X ∼ N ( μ
X , σ
X 2 ) {\displaystyle
X\sim N(\mu _{
X},\
sigma _{
X}^{2})} Y ∼ N ( μ Y , σ Y 2 ) {\displaystyle Y\sim N(\mu _{Y},\
sigma _{Y}^{2})} Z =
X...
-
X {\displaystyle \mathbf {
X} } is
typically denoted by K
X X {\displaystyle \operatorname {K} _{\mathbf {
X} \mathbf {
X} }} , Σ {\displaystyle \
Sigma }...
- g (
x ) = 1 σ 2 π exp ( − 1 2 (
x − μ ) 2 σ 2 ) . {\displaystyle g(
x)={\frac {1}{\
sigma {\sqrt {2\pi }}}}\exp \left(-{\frac {1}{2}}{\frac {(
x-\mu )^{2}}{\sigma...
-
Sigma (****anese: シグマ, Hepburn: Shiguma) is a
fictional character and the main
antagonist of the Mega Man
X video game series.
Created by Dr. Cain, Sigma...
- as σ = σ (
x 1 ) σ (
x 2 ) σ (
x 3 ) ⋯ σ (
x n ) {\displaystyle \
sigma =\
sigma (
x_{1})\;\
sigma (
x_{2})\;\
sigma (
x_{3})\;\cdots \;\
sigma (
x_{n})} , that...
- [
X 1
X 2
X 3
X 4
X 5
X 6 ] = E [
X 1
X 2 ] E [
X 3
X 4 ] E [
X 5
X 6 ] + E [
X 1
X 2 ] E [
X 3
X 5 ] E [
X 4
X 6 ] + E [
X 1
X 2 ] E...
