
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 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 …
What exactly is an equation? - Mathematics Stack Exchange
Apr 15, 2018 · One approach: An equation is a predicate, P(x), of the form s(x) = t(x) where x is a free variable (or vector of free variables) and s(x), t(x) are terms -- expressions which evaluate to …
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 …
An equation that generates a beautiful or unique shape for motivating ...
Could anyone here provide us an equation that generates a beautiful or unique shape when we plot? For example, this is old but gold, I found this equation on internet: $$ \large\color {blue} { x^2+...
Is this Batman equation for real? - Mathematics Stack Exchange
The 'Batman equation' above relies on an artifact of the plotting software used which blithely ignores the fact that the value |x| x−−√ x x is undefined when x = 0 x = 0. Indeed, since we’re dealing with real …
Exactly how does the equation n (n-1)/2 determine the number of pairs ...
The formula n(n−1)/2 n (n 1) / 2 for the number of pairs you can form from an n n element set has many derivations, even many on this site. One is to imagine a room with n n people, each of whom shakes …
What is the equation of a general circle in 3-D space?
A circle in R3 R 3 doesn't exactly have "an equation" in the sense that a circle in the plane or a sphere in space has an equation. Intuitively, "an equation" cuts down the dimension by one, but to get a circle …
algebra precalculus - Can you solve two unknowns with one equation ...
Jul 12, 2023 · For example, this equation: x 3 = x 2 ⋅ y x 3 = x 2 y When you graph it out, you can see that there are two lines which intersect perpendicularly. Giving the answers x = 0 x = 0 and y = 2 3 y …
在数学中,function/equation/expression/formula的具体区别是什么?
Sep 8, 2015 · 默认排序 李郸 5 人赞同了该回答 简单翻译 function 函数 equation 等式 expression 表达式 formula 公式 A is a function of B. 的意思是A的值随B的值的变化而变化。 还有什么句子不懂发到评论 …