Differences

This shows you the differences between two versions of the page.

--- probability-amplitude [June 13, 2026 at 03:48] – Ivan Janevski
+++ probability-amplitude [August 22, 2026 at 15:22] (current) – external edit 127.0.0.1
@@ Line 4: / Line 4: @@
 Classical probability uses real numbers in $[0, 1]$. Quantum mechanics uses complex numbers instead. The reason is interference: amplitudes can add or cancel before squaring, producing effects that no real-valued probability theory can describe.
-For a [[qubit]] $\lvert\psi\rangle = a\lvert 0\rangle + b\lvert 1\rangle$, $a$ is the amplitude for outcome 0 and $b$ is the amplitude for outcome 1. The
+For a [[qubit]] $\lvert\psi\rangle = a\lvert 0\rangle + b\lvert 1\rangle$, $a$ is the amplitude for outcome 0 and $b$ is the amplitude for outcome 1.
 $$P_0 = |a|^2 \qquad P_1 = |b|^2$$