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[R-sig-dyn-mod] Fw: Error in r[1] <- : replacement has length zero and Error in chol.default(object$hessian) : the leading minor of order 1 is not positive definite

Malgorzata Wieteska
On Thursday, 2 March 2017, 10:48:20, Malgorzata Wieteska <g.wieteska at yahoo.ie> wrote:
Hello,
I would like to ask for a help. I'm quite new to R, I try to find initial conditions while optimising system of differential equations. Unfortunately I get an error messages:?Error in r[1] <- : ? ?replacement has length zero and?Error in chol.default(object$hessian) : ? ?the leading minor of order 1 is not positive definite

Thanks in advance for any help.?
I've attached my code:

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Malgorzata Wieteska Error in r[1] <- : replacement has length zero and Error in chol.default(object$hessian) : the leading minor of order 1 is not positive definite Mar 2 Malgorzata Wieteska Error in r[1] <- : replacement has length zero and Error in chol.default(object$hessian) : the leading minor of order 1 is not positive definite Mar 2