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3 results for “uncertainty”

Formulae (3)

H = -\sum_{i=1}^{n} p_i \log_2 p_i

Measures the uncertainty or information content of a distribution.

\Delta x \, \Delta p \ge \frac{\hbar}{2}

Position and momentum cannot both be known with unlimited precision.

\Delta x\,\Delta p \geq \frac{\hbar}{2}

Limit on knowing position and momentum together.