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:
“But the path of the righteous is like the light of dawn, which shines brighter and brighter until full day. The way of the wicked is like deep darkness; they do not know what they stumble over.”
—Bible: Hebrew, Proverbs 4:18-19.
“An island always pleases my imagination, even the smallest, as a small continent and integral portion of the globe. I have a fancy for building my hut on one. Even a bare, grassy isle, which I can see entirely over at a glance, has some undefined and mysterious charm for me.”
—Henry David Thoreau (18171862)
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