Guide to Logarithms and "e" in Nature

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SUMMARY

The discussion focuses on the mathematical constant "e," also known as Euler's number, which frequently appears in logarithmic functions, particularly in natural logarithms (Ln). Key applications of "e" in nature include radioactive decay, Newton's Law of Cooling, population growth models, and continuous compounding of interest. Additionally, "e" is relevant in the attenuation of wave intensity across various mediums such as light and sound. These examples illustrate the pervasive role of "e" in both mathematical theory and real-world phenomena.

PREREQUISITES
  • Understanding of logarithmic functions, specifically natural logarithms (Ln).
  • Familiarity with exponential growth and decay models.
  • Basic knowledge of calculus, particularly derivatives and rates of change.
  • Awareness of applications in physics and biology, such as population dynamics.
NEXT STEPS
  • Research the mathematical properties of Euler's number (e) and its significance in calculus.
  • Explore real-world applications of logarithmic functions in finance, particularly in continuous compounding.
  • Study population growth models using differential equations to see how "e" is applied.
  • Investigate the principles of radioactive decay and how "e" governs the decay rate.
USEFUL FOR

Students of mathematics, educators teaching logarithmic concepts, scientists studying natural processes, and finance professionals interested in continuous compounding methods.

fomenkoa
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I am currently learning about logarithms and I understand that Log base e (or Ln) comes up quite often in solutions of logarithms

However, I also heard that it is a number that comes up often in nature

Are there any good examples of "e" in nature?

Anton
 
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Euler's number will arise in any process in which the rate of change of a quantity is proportional to the quantity itself. Radioactive decay, Newton's Law of Cooling, Population Growth models and continuous compounding of interest are a few examples.
 
Attenuation of wave intensity (light, sound, quantum etc.) when it is absorbed is another important example.
 

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