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Since the discovery of the two BER pathways, there has been a debate about how a cell chooses one pathway over the other and the factors determining this selection. Numerous in vitro experiments have pointed out multiple determinants for the sub-pathway selection. These are:
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When a DC source is suddenly disconnected from an RL (Resistor-Inductor) circuit, the circuit becomes source-free. Assuming the inductor has an initial current denoted as I0, the initial energy stored in the inductor can be determined.
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When an RL (Resistor-Inductor) circuit is connected to a DC source, the complete response of the circuit can be divided into two parts: the transient response and the steady-state response.
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An RC circuit consists of resistance and capacitance, while in an RL circuit, capacitance is replaced by an inductor. RL and RC circuits are first-order differential circuits that store energy. An RC circuit stores energy in the electric field, while an RL circuit stores energy in the magnetic field. When connected to a battery, an RC circuit charges the capacitor, causing the current to decrease from maximum to zero upon being fully charged. This increases the voltage across the capacitor from...
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通过基于RLZ的RePair有效的语法压缩.

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科学领域:

  • 计算机科学 计算机科学
  • 数据压缩数据压缩
  • 算法算法是一种算法.

背景情况:

  • RePair是一种基于语法的压缩技术,有效用于创建紧的语法.
  • RePair的主要局限性是其高内存使用量,与输入大小的缩放差.
  • 相对的Lempel-Ziv (RLZ) 解析是一种可扩展的,轻量级的在线方法,但可能会错过结构模式.

研究的目的:

  • 开发一个可扩展的算法,构建精确的RePair语法.
  • 为了利用RePair和RLZ解析的优势,改善数据压缩.
  • 为了减少基于语法的压缩中的内存使用量和bigram替换次数.

主要方法:

  • 介绍了RLZ-RePair,这是一个从RLZ解析中生成RePair语法的算法.
  • 确保了系统的bigram替换,同时保持RLZ短语完整性.
  • 在RLZ解析输入上系统地应用RePair代.

主要成果:

  • 通过精心选择的引用,RLZ-RePair实现了与标准RePair相同的语法.
  • 显示显著的记忆减少:RePair使用的记忆量增加了18%-480%.
  • 与标准 RePair 相比,RLZ-RePair 需要更少的比格拉姆替换.

结论:

  • RLZ-RePair提供了一个可扩展的解决方案,用于构建精确的RePair语法.
  • 这种方法可以为大型数据集提供一个实际的基于语法的压缩器.
  • RLZ-RePair将RLZ解析的效率与RePair的理论优势相结合.