numer

Arguments

R

rational or polynomial or constant matrix.

num

polynomial matrix

Description

Utility fonction. num=numer(R) returns the numerator num of a rational function matrix R (R may be also a constant or polynomial matrix). numer(R) is equivalent to R(2), R('num') or R.num

Examples

h=(1+2*%s)/poly(1:4,'s','c'); denom(h) numer(h) s=poly(0,"s"); p=1+s+2*s^2; denom(p) // Should return 1 numer(p)

See Also

• denom — denominator