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:

    “Examples are cited by soldiers, of men who have seen the cannon pointed, and the fire given to it, and who have stepped aside from he path of the ball. The terrors of the storm are chiefly confined to the parlour and the cabin.”
    —Ralph Waldo Emerson (1803–1882)

    “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)