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polyder | Examples See Also |
k = polyder(p) k = polyder(a,b) [q,d] = polyder(b,a)The
polyder
function calculates the derivative of polynomials, polynomial products, and polynomial quotients. The operands a
, b
, and p
are vectors whose elements are the coefficients of a polynomial in descending powers.
k = polyder(p)
returns the derivative of the polynomial p
.
k = polyder(a,b)
returns the derivative of the product of the polynomials a
and b
.
[q,d] = polyder(b,a)
returns the numerator q
and denominator d
of the derivative of the polynomial quotient b/a
.
The derivative of the product
is obtained with
a = [3 6 9]; b = [1 2 0]; k = polyder(a,b) k = 12 36 42 18This result represents the polynomial
conv
Convolution and polynomial multiplication
deconv
Deconvolution and polynomial division