Probability vector: Difference between revisions

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m disambiguate "vector"
typo, added another example to make sure people realize it can have many dimensions (nothing to do with spatial dimensions)
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In [[mathematics]] and [[statistics]], a '''probability vector''' or '''stochastic vector''' is a [[vector space|vector]] with non-negative entries that add up to one.
 
Here are some examples of a probability vectorvectors:
 
<math>
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x_1=\begin{bmatrix} 0 \\ 1 \\ 0 \end{bmatrix},\;
 
x_2=\begin{bmatrix} 0.65 \\ 0.35 \end{bmatrix}.,\;
 
x_3=\begin{bmatrix}0.3 \\ 0.5 \\ 0.07 \\ 0.1 \\ 0.03 \end{bmatrix}.
</math>