Taylor Expansion - Python for Integrated Circuits - - An Online Book - |
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Python for Integrated Circuits http://www.globalsino.com/ICs/ | ||||||||
Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix | ||||||||
================================================================================= A Taylor expansion, also known as a Taylor series or Taylor polynomial, is a mathematical representation of a function as an infinite sum of terms. It is named after the British mathematician Brook Taylor, who introduced the concept in the 18th century. The Taylor expansion is a powerful tool in calculus and analysis and is used to approximate a wide range of functions. The Taylor expansion of a function f(x) about a point 'a' is typically written as follows: f(x) = f(a) + f'(a)(x - a) + f''(a)(x - a)^2/2! + f'''(a)(x - a)^3/3! + ... ---------------------------------------- [3971a] In this expression:
Each term in the series corresponds to the value of a derivative of the function evaluated at the point 'a' and scaled by the appropriate power of (x - a) divided by the factorial of the order of the derivative. As you include more terms in the series, you get a more accurate approximation of the original function near the point 'a'. The series can be infinite if the function has infinitely many derivatives, which is the case for many common functions like sine, cosine, and exponential functions. The Taylor expansion is a fundamental tool in calculus and is used in various fields of mathematics, science, and engineering for solving problems involving approximation, optimization, and differential equations, among other applications. It allows you to represent complex functions with simpler polynomial expressions for analytical or computational purposes. ============================================
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