| polyval {signal} | R Documentation |
Evaluate a polynomial
Description
Evaluate a polynomial at given points.
Usage
polyval(coef, z)
Arguments
coef |
coefficients of the polynomial, defined in decreasing power. |
z |
the points at which to evaluate the polynomial. |
Value
An array of length(z), the polynomial evaluated at each element
of z.
Author(s)
Tom Short
See Also
Examples
polyval(c(1, 0, -2), 1:3) # s^2 - 2
[Package signal version 1.8-1 Index]