Stellary's Notes

Abstract. 上一章中我们提到了传输信息的过程中有涉及到 Setup 和 Outcome 两个过程，对应的是对信息的编码和解码。

这一章我们主要谈编码。

然而这一章还是非常宝宝巴士，知识基本上是初赛的真子集。

• Symbol Space Size
• Use of Spare Capacity
  • Binary Coded Decimal（BCD）
  • Genetic Code
  • Telephone Area Codes
  • IP Address
  • ASCII
• Extension of Codes
• Fixed-Length and Variable-Length Codes
  • Morse Code
• Detail: ASCII
• Detail: Integer Codes
  • Binary Code
  • Gray Code
  • 2’s Complement
  • Sign/Magnitude
  • 1’s Complement
• Detail: The Genetic Code / IP Addresses / IP Addresses

Abstract. 参考资料是 James G Simmonds 的 A Brief on Tensor Analysis。

本章是向量代数和张量代数基础。

• Directed Line Segments
• Addition, Multiplication by Scalar
• Things That Vectors May Represent
• Cartesian Coordinates
• The Dot Product
• The Cross Product
• Aternative Interpretation of the Dot and Cross Product. Tensors
• Definitions
• The Cartesian Components of a 2nd Order Tensor
• The Cartesian Basis for 2nd Order Tensors

参考资料：Information and Entropy by Prof. Paul Penfield

Abstract. 讲了各种 bit。科普性质比较大，里面除了量子比特之外涉及的知识都是常识的真子集。

• The Boolean Bit
• The Circuit Bit
• The Control Bit
• The Physical Bit
• The Quantum Bit
• An Advantage of Qubits
• The Classical Bit