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:
“His eye had become minutely exact as to the book and its position. Then he resolved that he would not look at the book again, would not turn a glance on it unless it might be when he had made up his mind to reveal its contents.”
—Anthony Trollope (1815–1882)
“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)