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. …
在理工科中，Formula, Equation 和 Function 这三个词有什么异 …
Dec 31, 2014 · equation：等式，方程式 英英释义： An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to …
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 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 …
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 …
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.
analysis - How to tell if a differential equation is homogeneous, or ...
Jan 27, 2015 · Sometimes it arrives to me that I try to solve a linear differential equation for a long time and in the end it turn out that it is not homogeneous in the first place. Is there a way to …
How to solve the Riccati's differential equation
Aug 13, 2013 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …
The equation of a line reflected about another line
Jan 8, 2017 · The equation for your reflected line can be constructed using the point-slope form, $y=m (x-x_Q)+y_Q$. The point $ (x_Q,y_Q)$ is easily obtained as the intersection of your …
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 =...