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ncol
2003 Dec 02
0
names of parameters from nonlinear model?
...;d1" "s0" "s2" "s3" "s1"
...after some processing....
> sv2
d0 d2 d1 s0 s2 s3 s1
99.8954229 0.3346356 -0.3162988 58.2754311 0.2481333 0.2483023 0.1603666
# error becuase of the gradient
> nlols.derivs <- eval( deriv( eqn, names( sv2 ), hessian=T ) )
> J <- attr( nlols.derivs, "gradient" )
in this case J is
> J
d0 d2 d1 s0 s2 s3 s1
[1,] 0 0 0 1 98.0 1 100.323
[2,] 0 0 0 1 99.1 2 104.264
...blah, blah, blah...
[6,] 0 0 0 1 108.2 6 9...