Description Usage Arguments Value See Also Examples

Calculate the derivative of a rational function. The returned value result is still an object of class "rationalfun".

1 2 |

`expr` |
an object of class "rationalfun" |

`...` |
not used in this function |

An object of class "rationalfun" representing the derivative of the original rational function.

1 2 3 | ```
# (x + 1) / (x^2 + x + 1)
r <- rationalfun(c(1, 1), c(1, 1, 1))
deriv(r)
``` |

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