I. Background Knowledge 1. Recurrence Relations and General Term Formulas In mathematics, a sequence is an ordered collection of numbers…

"My Geometric Life" is an autobiography co-authored by Qiu Chengtong and Steve Nadis, which tells the extraordinary experience of Qiu…

Math problem. Problem Given an integer array of length n, each operation will increase n - 1 elements by 1. Return the minimum number of…

Given an ellipse C:\frac{x^2}{4}+\frac{y^2}{3}=1, if the line l:y=kx+m intersects the ellipse C at points A, B (where A,B are not the…

为一个机场建立数学模型，模拟用户的选择情况。并且，给出了参数估计和降低成本的方案。

This year, I got into Azur Lane. I used to play FGO, but after waiting for the story of the Chinese server to catch up with the Japanese…

Problem Description The generalized Fibonacci sequence is defined as a sequence of the form a_n=p\times a_{n-1}+q\times a_{n-2}. Given the…

The cover is from wikibooks - Group_Theory In the past six months, I have encountered knowledge related to group theory in several…

A few days ago, when discussing the "maximum number of steps required to solve a 3x3 Rubik's Cube in any state" (God's Number) with my…