## 64 impdiff

### 64.1 Functions and Variables for impdiff

Function: implicit_derivative (f,indvarlist,orderlist,depvar)

  This subroutine computes implicit derivatives of multivariable functions. f is an array function, the indexes are the derivative degree in the indvarlist order; indvarlist is the independent variable list; orderlist is the order desired; and depvar is the dependent variable.

  To use this function write first `load("impdiff")`.

  ·

  Categories: Differential calculus ·Share packages ·Package impdiff