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反证法为啥能用

#192 qingwen-guan opened 4 years ago
0
K[x], Q都属于欧几里得环，所以都有带余除法，都有唯一分解定理，...

#191 qingwen-guan opened 4 years ago
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K[x]的性质和结构统统由带余除法作为突破口，一环一环的得到的

#190 qingwen-guan opened 4 years ago
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对于整数

#189 qingwen-guan opened 4 years ago
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一元多项式环，似乎还没定义等于

#188 qingwen-guan opened 4 years ago
1
共轭复数

#187 qingwen-guan opened 4 years ago
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思考与阅读

#186 qingwen-guan opened 4 years ago
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雷米特?公式

#185 qingwen-guan opened 4 years ago
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复数

#184 qingwen-guan opened 4 years ago
1
复变函数

#183 qingwen-guan opened 4 years ago
3
实变函数

#182 qingwen-guan opened 4 years ago
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Poker总结规律和可解释性

#181 qingwen-guan opened 4 years ago
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弦论

#180 qingwen-guan opened 4 years ago
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猜测: 如果半群S与S'同态(\phi), 则S有单位元e \implies S'也有单位元，且为\phi(e)

#179 qingwen-guan opened 4 years ago
1
环的同构是等价关系么?

#178 qingwen-guan opened 4 years ago
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Arjuna @ 知乎的笔记

#177 qingwen-guan opened 4 years ago
2
格

#176 qingwen-guan opened 4 years ago
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向量空间

#175 qingwen-guan opened 4 years ago
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域(Field)

#174 qingwen-guan opened 4 years ago
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整环(integral domain)

#173 qingwen-guan opened 4 years ago
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环

#172 qingwen-guan opened 4 years ago
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原群(magma)

#171 qingwen-guan opened 4 years ago
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Monoid（单位半群）

#170 qingwen-guan opened 4 years ago
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Semigroup（半群）

#169 qingwen-guan opened 4 years ago
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模(module)是对向量空间的推广，将标量需为域(向量空间)推广到任意环(模)

#168 qingwen-guan opened 4 years ago
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树状数组二分

#167 qingwen-guan opened 4 years ago
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KMP

#166 qingwen-guan opened 4 years ago
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Codeforces

#165 qingwen-guan opened 4 years ago
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MultiSet

#164 qingwen-guan opened 4 years ago
1
为什么可逆矩阵要求方阵?

#163 qingwen-guan opened 4 years ago
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MIT的线性代数，听说比这个男，且内容丰富

#162 qingwen-guan opened 4 years ago
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emptyset 难看

#161 qingwen-guan opened 4 years ago
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把条件$\forall $写到右边

#160 qingwen-guan opened 4 years ago
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Riemann积分

#159 qingwen-guan opened 4 years ago
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spark

#158 qingwen-guan opened 4 years ago
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矩阵运算，尤其是求导

#157 qingwen-guan opened 4 years ago
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最小二乘法

#156 qingwen-guan opened 4 years ago
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post-lasso是啥

#155 qingwen-guan opened 4 years ago
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也就是说，我们在讨论有限集合的时候，基是一个向量组; 无限集合的基是一个集合

#154 qingwen-guan opened 4 years ago
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子空间亚欧不要正

#153 qingwen-guan opened 4 years ago
2
KMP

#152 qingwen-guan opened 4 years ago
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看Paper: Environment Reconstruction with Hidden Confounders for Reinforcement Learning based Recommendation

#151 qingwen-guan opened 4 years ago
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看Paper: A Policy Gradient Method with Variance Reduction for Uplift Modeling

#150 qingwen-guan opened 4 years ago
1
google or-tools

#149 qingwen-guan opened 4 years ago
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boosting vs bagging

#148 qingwen-guan opened 4 years ago
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Logistic Regression

#147 qingwen-guan opened 4 years ago
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Linear Regression

#146 qingwen-guan opened 4 years ago
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Random Forest

#145 qingwen-guan opened 4 years ago
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看Paper: Uplift Modeling with Multiple Treatments and General Response Types

#144 qingwen-guan opened 4 years ago
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看Paper: Decision trees for uplift modeling with single and multiple treatments

#143 qingwen-guan opened 4 years ago
0