
What is the difference between equation and formula?
An equation is meant to be solved, that is, there are some unknowns. A formula is meant to be evaluated, that is, you replace all variables in it with values and get the value of the formula. …
simple geometry question- equation of cylinder
All points on it have x=0 and y=0. Clearly it is a line with any z-allowed. You could write the equation of the axis as x2 +y2 = 0 x 2 + y 2 = 0, because in the reals the only solution to this …
Transformations of the circle equation - Mathematics Stack …
Dec 21, 2023 · I know to translate the circle equation we just need to change the values in the brackets of the general circle equation (x −x1)2 + (y −y1)2 =r2 (x x 1) 2 + (y y 1) 2 = r 2 , and in …
How do I calculate the intersection (s) of a straight line and a circle ...
Nov 4, 2012 · I'm trying to come up with an equation for determining the intersection points for a straight line through a circle. I've started by substituting the "y" value in the circle equation with …
linear algebra - Equation of a plane passing through 3 points ...
Mar 11, 2018 · In fact, it’s possible to do better and write down an equation of the plane directly. Every other point (x, y, z) (x, y, z) on the plane also generates a linear equation in the …
What exactly is an equation? - Mathematics Stack Exchange
Apr 15, 2018 · the equation to simpler equation (s) and end up with an equation that can be solved by inspection. In all these cases the equality tells you two things are really the same. …
intuition - How Bernoulli differential equation arise naturally ...
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 ...
Solving the time-independent Schrödinger equation
The Schrödinger equation describes the evolution of the wave function of a particle (or system).
analysis - How to tell if a differential equation is homogeneous, or ...
Jan 27, 2015 · As long as you can write the linear differential equation in the above form, you can tell what g(x) g (x) is, and you will be able to tell whether it is homogenous or not.
General equation of a plane through $3$ points. [closed]
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 …