pdf book with all source code on github
Some people say that the spelling here is missing an n, but it is not. The name “chestnut tree” on github is in Bulgarian, while the one on this website is in German.
A simple interpretation of various mathematical concepts and methods, covering calculus, linear algebra, probability theory and mathematical statistics, complex functions, number theory, machine learning, and interesting content that is not often taught in school. Combining examples of natural science and program experiments, it will give you deeper understanding of mathematical and physical methods and interesting thinking. This book can also be used as a general reference book from middle school to graduate students and daily scientific research and development work.