Function dfrdt

dfrdt(func1: ChalkboardFunction, func2: ChalkboardFunction, val: number): number
Calculates the first-order multivariable chained derivative of a multivariable function composed with a parametric curve at a value.
Parameters
- func1: ChalkboardFunction
  The multivariable function
- func2: ChalkboardFunction
  The parametric curve function
- val: number
  The value
Returns number
- Defined in Chalkboard.calc.ts:226