partial derivatives of 1 + x + y + z + x*y + y*z + x*z + x*y*z + exp(x/y + y/z) in forward mode

test_forward_derivative_multi()

Examples

test_forward_derivative_multi()
#> $u
#> [1] 27.21127
#> 
#> $dudx
#> [1] 13.60564
#> 
#> $dudy
#> [1] 8.267606
#> 
#> $dudz
#> [1] 5.286384
#>