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. …

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 …

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 …

Jul 28, 2010 · Could you change the title to "Is there a general formula for solving 4th degree polynomial equations" or "Is there a general formula for solving quartic equations?"

Nov 30, 2019 · First consider the equation we use to describe a plane: $$ ax + by + cz + d = 0 $$ Why is it this way? let's first imagine a way to describe the point set of a plane: a plane must …

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 ...

Sep 24, 2015 · Note that there are 4 unknowns, so there is no single solution for a,b, and c since you can just multiply the equation by some constant and it stays the same, so you just solve …

Aug 13, 2020 · Ellipse general equation from dimensions, offset, and tilt angle Ask Question Asked 5 years, 4 months ago Modified 5 years, 4 months ago