Exact Differential
In multivariate calculus, a differential is said to be exact, as contrasted with an inexact differential, if it is of the form dQ, for some differentiable function Q.
Read more about Exact Differential: Partial Differential Relations, Some Useful Equations Derived From Exact Differentials in Two Dimensions
Famous quotes containing the words exact and/or differential:
“To conclude, The Light of humane minds is Perspicuous Words, but by exact definitions first snuffed, and purged from ambiguity; Reason is the pace; Encrease of Science, the way; and the Benefit of man-kind, the end.”
—Thomas Hobbes (1579–1688)
“But how is one to make a scientist understand that there is something unalterably deranged about differential calculus, quantum theory, or the obscene and so inanely liturgical ordeals of the precession of the equinoxes.”
—Antonin Artaud (1896–1948)