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Polynomial Functions
Signal Processing (SP) Module
void itpp::poly (const vec &r, vec &p)
 Create a polynomial of the given rootsCreate a polynomial p with roots r.
void itpp::poly (const cvec &r, cvec &p)
 Create a polynomial of the given rootsCreate a polynomial p with roots r.
vec itpp::poly (const vec &r)
 Create a polynomial of the given rootsCreate a polynomial p with roots r.
cvec itpp::poly (const cvec &r)
 Create a polynomial of the given rootsCreate a polynomial p with roots r.
void itpp::roots (const vec &p, cvec &r)
 Calculate the roots of the polynomialCalculate the roots r of the polynomial p.
void itpp::roots (const cvec &p, cvec &r)
 Calculate the roots of the polynomialCalculate the roots r of the polynomial p.
cvec itpp::roots (const vec &p)
 Calculate the roots of the polynomialCalculate the roots r of the polynomial p.
cvec itpp::roots (const cvec &p)
 Calculate the roots of the polynomialCalculate the roots r of the polynomial p.
vec itpp::polyval (const vec &p, const vec &x)
 Evaluate polynomialEvaluate the polynomial p (of length $N+1$ at the points x The output is given by

\[ p_0 x^N + p_1 x^{N-1} + \ldots + p_{N-1} x + p_N \]

.

cvec itpp::polyval (const vec &p, const cvec &x)
 Evaluate polynomialEvaluate the polynomial p (of length $N+1$ at the points x The output is given by

\[ p_0 x^N + p_1 x^{N-1} + \ldots + p_{N-1} x + p_N \]

.

cvec itpp::polyval (const cvec &p, const vec &x)
 Evaluate polynomialEvaluate the polynomial p (of length $N+1$ at the points x The output is given by

\[ p_0 x^N + p_1 x^{N-1} + \ldots + p_{N-1} x + p_N \]

.

cvec itpp::polyval (const cvec &p, const cvec &x)
 Evaluate polynomialEvaluate the polynomial p (of length $N+1$ at the points x The output is given by

\[ p_0 x^N + p_1 x^{N-1} + \ldots + p_{N-1} x + p_N \]

.

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