Path Integral

Path integral may refer to:

  • Line integral, the integral of a function along a curve
  • Functional integration, the integral of a functional over a space of curves
  • Path integral formulation of quantum mechanics using functional integration, due to Richard Feynman

Famous quotes containing the words path and/or integral:

    ““O what unlucky streak
    Twisting inside me, made me break the line?
    What was the rock my gliding childhood struck,
    And what bright unreal path has led me here?””
    —Philip Larkin (1922–1986)

    “Make the most of your regrets; never smother your sorrow, but tend and cherish it till it come to have a separate and integral interest. To regret deeply is to live afresh.”
    —Henry David Thoreau (1817–1862)