
What is the equation for a 3D line? - Mathematics Stack Exchange
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 …
Notation for rounding in equation - Mathematics Stack Exchange
I'm wondering if there is a symbol or notation for Round to the nearest 10th For example, the area of a circle with a radius of 45 feet, rounded to the nearest square foot, could be written as, A =...
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. …
geometry - Get the equation of a circle when given 3 points ...
Apr 20, 2017 · Get the equation of a circle through the points $(1,1), (2,4), (5,3) $. I can solve this by simply drawing it, but is there a way of solving it (easily) without having to draw?
notation - What do Subscripted numbers in an equation mean ...
I have an equation that has a value T (temperature in Kelvin), subscripted gamma. It's used several times each the same way, no variation, and all other equations in the same family …
simple geometry question- equation of cylinder
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 …
Ellipse general equation from dimensions, offset, and tilt angle
Aug 13, 2020 · Ellipse general equation from dimensions, offset, and tilt angle Ask Question Asked 5 years, 2 months ago Modified 5 years, 2 months ago
linear algebra - Equation of a plane passing through 3 points ...
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 …
Linear vs nonlinear differential equation - Mathematics Stack …
Jun 8, 2013 · How to distinguish linear differential equations from nonlinear ones? I know, that e.g.: $$ y''-2y = \\ln(x) $$ is linear, but $$ 3+ yy'= x - y $$ is nonlinear. Why?
Polar equation of a circle - Mathematics Stack Exchange
Welcome to MSE. For some basic information about writing mathematics at this site see, e.g., basic help on mathjax notation, mathjax tutorial and quick reference, main meta site math …