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Here, you can quickly learn mathematics and physics, including calculus and quantum mechanics
Because here, it's not about becoming a mathematician or physicist
Just to help you master the basic and essential knowledge of mathematics and physics
For general applications.
No need for complex formulas and logic
No need for a lot of time and energy
Because of the shortcut we took
Starting from the knowledge needs of ordinary people
Replacing complex understanding with simpler forms
简单认识一下变分法和最小作用量原理
麦克斯韦方程组 ,电流产生磁场和磁场变化产生电场
电磁学麦克斯韦方程组的高斯定律
简单认识一下数学的纤维丛
格林函数2
微积分的dydx的认识上
简单求一下微积分极限
数学极限
最快方式获得微积分有什么用
简单微积分入门
从热传导开始的偏微分之旅2
认识微分几何从曲率开始，人人都能懂的微分几何
其实张量并不难，从基变换到上标和下标
很简单，从傅里叶级数到希尔伯特空间
其实一点也不难的，从函数到泛函
从标量到向量到张量
一看就懂，从坐标变换到线性变换的矩阵相乘
狭义相对论的基石，真空中的光速相同
简单认识一下4维空间
让初中生也能学会微积分
The easiest way to understand calculus: integral of velocity = displacement
获得e的本质：从自然常数e到微积分的y'=y
欧拉公式的2D,3D直观一看就明白sinx由来（更新版）
认识微积分，只需要一个5分钟
欧拉公式的2D,3D直观一看就明白sinx由来
三分钟就让你理解微积分的核心y'=dy/dx
THE VOLUME OF A SPHERE: THE EASIEST WAY!
Surface Area Of a Sphere: The Easiest Way!
Area of circles, It's too easy!