4.1. Introduction
A polynomial is an expression in which a finite number of constants and variables are combined using addition, subtraction, multiplication and non-negative whole number exponents (raise to power). Thus, the following expressions are all considered polynomials:
x2 + 2x – 7, x4 – 7x3 , x
The MATLAB software provides built-in functions for standard operations on polynomials such as arithmetic operations like multiplication and division etc., evaluation of roots, differentiation, integration and so on. In addition, there are functions for more advanced applications, such as curve fitting. Polynomials have a very significant role to play in engineering systems analysis. The polynomial functions are stored in a polyfun directory ...
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