In mathematics, the Ernst equation (named after Frederick J. Ernst) is the non-linear partial differential equation
It is used to produce exact solutions of Einstein's equations.
Famous quotes containing the word equation:
“A nation fights well in proportion to the amount of men and materials it has. And the other equation is that the individual soldier in that army is a more effective soldier the poorer his standard of living has been in the past.”
—Norman Mailer (b. 1923)