(mathematics) a quantity whose value changes according to another quantity's varying value

函数
to make a representation of something, especially one based on mathematics

建模, 代表
a quantity or value that remains the same and does not change in a specific mathematical context

常数
a combination of numbers, variables, operations, and grouping symbols that collectively represent a numerical value or relationship

表达式, 公式
(of mathematical expressions or quantities) having the same value or function, even if they appear in different forms

等价的
(mathematics) a quantity that is capable of assuming different values in a calculation

变量
a system of numerical values used to quantify and compare levels, degrees, or values

尺度, 等级
a symbol that represents any number between 0 and 9

数字, 数
the set of all possible input values for which a given function is defined

定义域, 域
a graphic design intended to explain something

图表, 图解
a diagram consisting of bars with different heights that represent the amount of a variable

直方图, 条形图
a type of graph used in statistics and data analysis to display and compare two sets of numerical data

散点图, 点图
the point where a line, curve, or surface crosses an axis on a graph

截距, 交点
a flat, two-dimensional surface that extends infinitely in all directions

平面, 平坦的表面
any set of numbers that represents an exact position on a map or graph

坐标, 地理坐标
a straight line drawn through the center of a group of data points on a scatter plot representing the best approximation of the relationship between the variables being studied

最佳拟合线, 回归线
to meet or cross another path, line, etc. at a particular point

相交, 交叉
a set of real numbers that includes all the numbers between any two specified numbers within the set

间隔, 区间
a mathematical function that creates a straight line when graphed

线性函数, 线性映射
a function that can be expressed as the ratio of two polynomials, where the denominator is not zero

有理函数, 有理分式
a fixed numerical value that is a whole number, either positive, negative, or zero

整数常量, 整型常数
not following a straight or predictable line, sequence, or pattern

非线性, 不可预测的
to have a direct relationship or alignment with something else, such as paired values or elements

对应, 与...有直接关系
a single number, variable, or the product of numbers and variables in an expression or equation, separated by addition or subtraction operators

项, 元素
a reference line used in coordinate systems to provide a framework for locating points

轴, 参考线
a mathematical function that can be expressed as a sum of terms, where each term is a constant multiplied by a variable raised to a non-negative integer power

多项式函数, 多项式功能
to fulfill the conditions or requirements of a mathematical statement, equation, or inequality

满足, 符合
a numerical or constant factor that multiplies a variable in an algebraic term

系数, 乘数因子
an equation where the highest power of the variable is squared

二次方程
a statistical method used to model and analyze the relationship between a dependent variable and one or more independent variables

回归
having equal distances from two or more points

等距的, 与两个或更多点距离相等的
having points that lie on the same straight line

共线的, 位于同一直线上的
a statement or proposition that has been proven to be true based on previously established axioms, definitions, and other theorems within a particular mathematical or logical system

定理
a recurring interval or length associated with a mathematical function or pattern

周期, 间隔
to find the numerical value of an expression, equation, or function by substituting specific values for the variables

评估
a way of representing numbers as the sum of each digit multiplied by its place value

扩展表示法, 数值分解
a method of writing numbers as the product of a coefficient and a power of 10

科学记数法, 科学计数法
a rectangular array of numbers or symbols organized in rows and columns, commonly used in linear algebra for representing equations, transformations, and vector operations

矩阵, 表格
a single number calculated from the elements of a square matrix that indicates important properties, like whether the matrix can be inverted

行列式
the product of all positive whole numbers from 1 to a given number

阶乘, 阶乘
an ordered set of numbers that describes both magnitude and direction, commonly used to represent quantities like displacement, velocity, or force in physics and engineering

向量, 矢量
a two-dimensional system used to represent points in space

标准坐标平面, 标准笛卡尔平面
a mathematical function that relates the angles of a triangle to the lengths of its sides, commonly including sine, cosine, and tangent

三角函数
a way of representing a system of linear equations in matrix form

增广矩阵, 扩展矩阵
a vector that has a magnitude of 1 and represents direction without regard to scale

单位向量, 大小为1的向量
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