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- 2024-7-25 游离根 跟着 颌骨显示 | ||
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## 快速目标位 | ||
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牙齿的关键点 | ||
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- fa 牙号放在的位置 | ||
- flAxis 从颊侧到舌侧方向 | ||
- ieAxis 从牙冠到牙根方向 | ||
- mdAxis 从近中到远中方向 |
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# 组合学 | ||
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组合学有两部分领域 | ||
- 组合算法,计算对象是离散的、有限的数学结构。从方法学角度来看,组合算法包括算法设计和算法分析两个方面 | ||
- 关于算法设计,历史上已经总结出了普遍意义的方法和技术。包括 | ||
- 动态规划 | ||
- 回溯法 | ||
- 分支限界法 | ||
- 分治法 | ||
- 贪心法 | ||
- 应用广泛,如 | ||
- 旅行商问题 | ||
- 图着色问题 | ||
- 整数规划问题 | ||
- 组合数学,主要研究内容有: | ||
- 鸽巢原理 | ||
- 排列与组合 | ||
- 二项式系数 | ||
- 容斥原理及应用 | ||
- 递推关系和生成函数 | ||
- 特殊计数序列 | ||
- 组合设计 |
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- [高中数学](/exercises/math.high.md) | ||
- [高等数学](/exercises/advanced.mathematics.md) | ||
- [数论](/exercises/number.theory.md) | ||
- [组合](/exercises/combinatorics.md) | ||
- [微积分](/exercises/differential.integral.md) | ||
- [数值计算](/exercises/numerical.calculation.md) | ||
- [几何](/exercises/geometry.md) | ||
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- [Wolfram MathWorld](https://mathworld.wolfram.com/) | ||
- [提供各种数学问题的交互式解法和动画](https://www.cut-the-knot.org/) | ||
- [图形计算器,用[email protected]登录的](https://www.desmos.com/calculator?lang=zh-CN) | ||
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<details> | ||
<summary>Geogebra开源在线工具</summary> | ||
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