2022年10月31日
Machine Learning Notes
摘要： Machine Learning Classification $$ \begin{aligned} &\text { sensitivity }=\frac{\text { true positive }}{\text { true positive }+\text { false negativ 阅读全文
posted @ 2022-10-31 16:58 miyasaka 阅读(54) 评论(0) 推荐(0)
Linear Algebra and Linear Programming Notes
摘要： Linear Algebra and Linear Programming Duality Theory Primal and dual problems of LPs 如何理解？ $$ \bar{x}=\left(\begin{array}{l} x \ y \end{array}\right), 阅读全文
posted @ 2022-10-31 16:37 miyasaka 阅读(88) 评论(0) 推荐(0)
Statistics - Review
摘要： Statistic Final Review Covariance Definition 4.2. The covariance of $X$ and $Y$ is $$ \operatorname{Cov}(X, Y)=\mathbb{E}(X Y)-\mathbb{E} X \cdot \mat 阅读全文
posted @ 2022-10-31 16:29 miyasaka 阅读(64) 评论(0) 推荐(0)
2022年4月13日
ban captcha
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posted @ 2022-04-13 10:26 miyasaka 阅读(1) 评论(0) 推荐(0)
2022年3月7日
LALP Assessment 3
摘要： LALP 3rd Continuous Assessment Q1 Suppose it makes $x$ product A and $y$ product B. Then the LP problem is: $$ \text{Maximize}\quad 2.4 x+2.6 y, \ \le 阅读全文
posted @ 2022-03-07 13:24 miyasaka 阅读(72) 评论(0) 推荐(0)
Multivariable Analysis Notes
摘要： Multivariable Analysis Clairaut’s theorem Suppose that two mixed $n$-th ordered partial derivatives of a function involve the same differentiations, b 阅读全文
posted @ 2022-03-07 13:22 miyasaka 阅读(101) 评论(0) 推荐(0)
Simplex Method: Example (LALP exercise 4)
摘要： Question Consider the following linear programming problem $$ \begin{aligned} \begin{array}{ll} \text { Minimise } & -x_{1}-2 x_{2}-x_{3} \ \text { su 阅读全文
posted @ 2022-03-07 13:20 miyasaka 阅读(78) 评论(0) 推荐(0)
MVA Exercise 1
摘要： Exercise $\mathbf{1}$ Question Consider the following statement. Let $g: \mathbb{R} \rightarrow \mathbb{R}$ denote the function given, for $x \in \mat 阅读全文
posted @ 2022-03-07 13:19 miyasaka 阅读(72) 评论(0) 推荐(0)
Digital Watermark Implementation
摘要： Digital Watermarking Implementation Based on DWT, HD, and Singular Value Decomposition (MATLAB) Introduction Digital watermarking refers to embedding 阅读全文
posted @ 2022-03-07 13:16 miyasaka 阅读(99) 评论(0) 推荐(0)
Algorithms about eigenvalues
摘要： Implement Matlab functions which can compute the corresponding eigenpair(s) via: (a) Power iteration. (b) Inverse iteration. (c) Rayleign Quotient ite 阅读全文
posted @ 2022-03-07 13:15 miyasaka 阅读(65) 评论(0) 推荐(0)