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Octave comes with functions for computing the derivative and the integral
of a polynomial. The functions
both return new polynomials describing the result. As an example we'll
compute the definite integral of p(x) = x^2 + 1 from 0 to 3.
c = [1, 0, 1]; integral = polyint(c); area = polyval(integral, 3) - polyval(integral, 0) ⇒ 12
Return the coefficients of the derivative of the polynomial whose
coefficients are given by vector c. If a pair of polynomials
is given b and a, the derivative of the product is
returned in q, or the quotient numerator in q and the
quotient denominator in r.
See also: poly, polyinteg, polyreduce, roots, conv, deconv, residue, filter, polygcd, polyval, polyvalm.
Return the coefficients of the integral of the polynomial whose
coefficients are represented by the vector c. The variable
k is the constant of integration, which by default is set to zero.
See also: poly, polyderiv, polyreduce, roots, conv, deconv, residue, filter, polyval, and polyvalm.
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