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 …

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, …

An equation is any expression with an equals sign, so your example is by definition an equation. Equations appear frequently in mathematics because mathematicians love to use equal signs. A …

在论文中，Figure, Equation这些关键词是否需要大写？ [图片] 应该写成这样还是写成 equation 2.36？ 是否有相应规范？ 显示全部 关注者 4

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 …

Jul 23, 2025 · 这种连续问题我们其实可以用离散化想法来做，因为一旦离散之后我们就可以枚举了。比如转化为正n边形，然后我们算随便挑三点算概率，算面积期望什么的就容易的多了。然后同样的古 …

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.

中文中“方程”（英文Equation）一词是如何来的？ 英语中 Equal 是相等的意思，用 Equation 表示方程很自然，很容易理解，因为方程的本质就是一个等式，只是含有未知数。 为何在中文中没有使用”… 显 …

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 …

Dec 30, 2025 · Thanks but I still do not understand how you change the original equation to x(y) x (y) -land, especially for x′′(y) x ″ (y) part. I know how to change dy dx d y d x to dx dy d x d y by imagining …