An equation is any expression with an equals sign, so your example is by definition an equation. Equations appear frequently in mathematics because mathematicians love to use equal signs. …

Jul 23, 2014 · The equation of an object is a way of telling whether a point is part of an object -- if you substitute the coordinates of the point into the equation and the equation is true, then the …

(Equations which can be easily transformed to Cauchy functional equation or can be solved by using similar methods.) Is there some overview of basic facts about Cauchy equation and …

May 28, 2013 · I love your answer for a line equation in the form of z = f (x, y)... Unfortunately calculating square roots can be impractical from the calculational standpoint and hence I really …

Deriving an equation for the orbital period of a satellite Ask Question Asked 13 years ago Modified 7 years, 8 months ago

Oct 2, 2011 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.

贝塞尔方程 (the Bessel differential equation)在物理学诸多领域都有非常广泛的应用，如柱坐标下波的传播，薛定谔方程的解，薄膜振动，热传导等等。下面不加证明地总结贝塞尔函数的一些 …

A Bernoulli differential equation is a non-linear differential equation of the form $$ \\frac{dy}{dx} + P(x)y = Q(x)y^n. $$ I understand this is special; Because its exact solution is known though ...

Aug 13, 2013 · I found this question in a differential equation textbook as a question The equation $$ \frac {dy} {dx} =A (x)y^2 + B (x)y +C (x) $$ is called Riccati's equation

Jan 1, 2012 · I am supposed to find an equation for the circle that has center $ (-1, 4)$ and passes through $ (3, -2)$. I tried graphing it, but it didn't help since the point was not in a …