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单词 Solution point
释义

Solution point

中文百科

方程 Equation

(重定向自Solution point)
用图像来模拟方程,其中x, y, z为实数,用砝码来模拟

数学中方程可以简单的理解为含有未知数的等式。例如以下的方程

其中的x为未知数。

如果把数学当作语言,那幺方程可以为人们提供一些用来描述他们所感兴趣的对象的语法,它可以把未知的元素包含到陈述句当中(比如用“相等”这个词来构成的陈述句),因此如果人们对某些未知的元素感兴趣,但是用数学语言去精确地表达那些确定未知元素的条件时需要用到未知元素本身,这时人们就常常用方程来描述那些条件,并且形成这样一个问题:能使这些条件满足的元素是什幺?在某个集合内,能使方程中所描述的条件满足的元素称为方程在这个集合中的解(比如带入某个含未知数的等式时,使式等号左右两边相等的数)。

英语百科

Equation 方程

(重定向自Solution point)
Illustration of a simple equation; x, y, z are real numbers, analogous to weights.
The Nine Chapters on the Mathematical Art is an anonymous Chinese book proposing a method of resolution for linear equations.
A conic section is the intersection of a plane and a cone of revolution.
Cartesian coordinate system with a circle of radius 2 centered at the origin marked in red. The equation of a circle is (x − a)2 + (y − b)2 = r2 where a and b are the coordinates of the center (a, b) and r is the radius.

In mathematics, an equation is an equality containing one or more variables. Solving the equation consists of determining which values of the variables make the equality true. In this situation, variables are also known as unknowns and the values which satisfy the equality are known as solutions. An equation differs from an identity in that an equation is not necessarily true for all possible values of the variable.

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更新时间:2025/6/20 1:19:16