a measure of the dispersion or spread of a set of data points in statistics, representing the average squared deviation from the mean
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方差
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a finite sequence of well-defined, mathematical instructions for completing a specific task or solving a problem
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算法, 计算程序
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a mathematical concept representing the total accumulation of a quantity, often represented by the area under a curve on a graph
![积分, 积分计算](https://api.langeek.co/v1/assets/flags/zh.png)
积分, 积分计算
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the value that a function or sequence approaches as its input or index gets close to a particular value
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极限
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a rectangular array of numbers or symbols organized in rows and columns, commonly used in linear algebra for representing equations, transformations, and vector operations
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矩阵
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a branch of mathematics that studies and classifies phenomena characterized by sudden shifts in behavior arising from small changes in circumstances
![灾变理论, 灾难理论](https://api.langeek.co/v1/assets/flags/zh.png)
灾变理论, 灾难理论
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a circular graphic, similar to a pie chart, with a blank center, used to represent proportional data
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甜甜圈图表, 环形图表
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a graphic representation of the step-by-step sequence of functions in a computer program
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流程图, 流程示意图
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a graphical representation using circles (bubbles) to display three dimensions of data: two on the axis and one represented by the bubble size
![气泡图, 气泡图表](https://api.langeek.co/v1/assets/flags/zh.png)
气泡图, 气泡图表
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a statistical measure that divides a dataset into four equal parts, representing points that indicate the distribution of the data
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四分位数
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a financial chart used to represent price movements, typically displaying open, high, low, and close values for a specific time period
![蜡烛图, K线图](https://api.langeek.co/v1/assets/flags/zh.png)
蜡烛图, K线图
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