文件名称:Matlab-project
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roots -Polynomial roots
Syntax
r = roots(c)
Descr iption
r = roots(c) returns a column vector whose elements are the roots of the polynomial c.
Row vector c contains the coefficients of a polynomial, ordered in descending powers. If c has n+1 components, the polynomial it represents is .
Tips
Note the relationship of this function to p = poly(r), which returns a row vector whose elements are the coefficients of the polynomial. For vectors,roots and poly are inverse functions of each other, up to ordering, scaling, and roundoff error.
Syntax
r = roots(c)
Descr iption
r = roots(c) returns a column vector whose elements are the roots of the polynomial c.
Row vector c contains the coefficients of a polynomial, ordered in descending powers. If c has n+1 components, the polynomial it represents is .
Tips
Note the relationship of this function to p = poly(r), which returns a row vector whose elements are the coefficients of the polynomial. For vectors,roots and poly are inverse functions of each other, up to ordering, scaling, and roundoff error.
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Matlab project.docx