Encyclopedia > Probability vector

Article Content

Probability vector

In mathematics and statistics, a Probability Vector is a vector with non-negative entries which add up to one.

Here are examples of a probability vector:

x₀ = <math>

  \begin{bmatrix}
    .5 \\
    .25 \\
    .25
  \end{bmatrix}

</math>

x₁ = <math>

  \begin{bmatrix}
    0 \\
    1 \\
    0
  \end{bmatrix}

</math>

x₂ = <math>

  \begin{bmatrix}
    .65 \\
    .35
  \end{bmatrix}

</math>

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

French resistance

... Service for arranging clandestine air operations in northern France. Ceux de la Resistance[?] Ceux de la Liberation[?] Chantiers de la Jeunesse[?] or "youth ...