
在理工科中,Formula, Equation 和 Function 这三个词有什么异 …
2014年12月31日 · 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 …
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. …
What is the equation for a 3D line? - Mathematics Stack Exchange
2013年5月28日 · 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 …
simple geometry question- equation of cylinder
2014年7月23日 · 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 …
What exactly is an equation? - Mathematics Stack Exchange
2018年4月15日 · 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. …
Equation of a rectangle - Mathematics Stack Exchange
2011年10月2日 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.
Transformations of the circle equation - Mathematics Stack …
2023年12月21日 · The confusion here seems to be about how translation and other transformations apply to the equation of a circle, which is not a function in the sense of …
logarithms - Finding the Equation of a Straight Line on a Log-Log …
2019年5月30日 · Given two discrete points on a log-log plot and a defined minimum value on both axes, how would you determine the equation of the line that runs through both points?
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 …
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 ...