SK Model in Statistical Physics with Replica Method
Solving the analytical expression of the SK Model using the replica method.(in Chinese)
Method of Steepest Descent in Numerical Analysis
An introduction of an special extension of Laplace's method for approximating an integral.(in Chinese)
Stable Diffusion LoRA Model, A First Try
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AIGC
Technical details of a self-trained LoRA model. 一个自己训练的LoRA模型的技术细节。(in English)
第十三届全国大学生数学竞赛决赛(数学类高年级组)第九题赏析
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Mathematical Competition
The Solution of the Final Round of the 13th National College Student Mathematics Competition (Mathematics Category, Senior Group) Q9.(in Chinese)
Fisher Information and Its Application
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Machine Learning
This post mainly introduces the definition, properties, calculation and application of Fisher Information(Matrix).(in Chinese)
电子科技大学(UESTC)数学系研究生入学考试模拟试题
The simulation questions for the National Graduate Entrance Examination applicable to the Department of Mathematics, UESTC(in Chinese)
Sparse Representation of the Signal: A Brief Introduction and Some Discussion
使用少量基本信号的线性组合表示一目标信号，称为信号的稀疏表示。信号的稀疏表示是过去近25年来信号处理界一个非常引人关注的研究领域（现在凉透了），众多研究论文和专题研讨会表明了该领域曾经的的蓬勃发展。信号稀疏表示的目的就是在给定的超完备字典中用尽可能少的原子来表示信号，可以获得信号更为简洁的表示方式，从而使我们更容易地获取信号中所蕴含的信息，更方便进一步对信号进行加工处理，如压缩、编码等。(in Chinese)
From Cross Entropy to Metric Learning: A Brief Introduction and Some Discussion
Some discussion of Cross Entropy Loss and its equivalence between MLE.(in Chinese)
沉痛悼念江泽民同志
苟利国家生死以，岂因祸福避趋之。(in Chinese)