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. Your …
在理工科中，Formula, Equation 和 Function 这三个词有什么异同？
Dec 31, 2014 · equation：等式，方程式 英英释义： An assertion that two expressions are , expressed by writing the two expressions separated by an equal sign; from which one is to determine a …
What is the equation for a 3D line? - Mathematics Stack Exchange
May 28, 2013 · If we want an equation f(x, y) f (x, y) for the line, the domain of f f can only be the shadow of the line on the xy x y plane. But any nice function f f will have as a domain either all pairs (x, y) (x, …
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. What you do with …
Equation of a rectangle - Mathematics Stack Exchange
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.
Finding an equation for a circle given its center and a point through ...
Mar 2, 2015 · I am supposed to find an equation for the circle that has center (−1, 4) (1, 4) and passes through (3, −2) (3, 2). I tried graphing it, but it didn't help since the point was not in a straight line with …
When writing in math, do you use a comma or colon preceding an …
Apr 2, 2017 · This is a general question about mathematical writing especially for writing research papers and the like. Question: Do you precede an equation with a comma or colon? Example A: The …
latex中equation环境相比align环境有何优势? - 知乎
首先，我们要明白这两个环境分别能干什么。下面两段文字摘抄自l-short: 单独成行的行间公式在LaTeX里由equation环境包裹。 更多情况的是，我们需要罗列一系列公式，并令其按照等号对齐。目前最常 …
geometry - Is there a unified equation for ellipses, parabolas, and ...
Oct 8, 2024 · This equation has the eccentricity as an explicit parameter. In Cartesian coordinates, we normally use separate equations for parabolas. We are "forced" to do this, because the standard …
calculus - Understanding Riccati's differential equation - Mathematics ...
Nov 11, 2024 · So on running this differential equation through WA, I got the result in Bessel function. Is there any general solution to that above general differential equation in terms of Bessel function?