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makedev
2010 Jul 21
0
Converting Between Character and Numeric Objects
...met4 = 10, met5 = 10)
parameters = 1
ODE = function(t, state, parameters, S, velocity) {
with(as.list(c(state, parameters, S, velocity)), {
des = S %*% v
#The products should look like this:
#dmet1 = (-1)*met1^1*met2^1 + (0)*met2^1*met3^1 + (2)*met3^1
#Return
list(des)
})
}
When I call 'makeODE' I get the following error (which I expected):
Error in S %*% v : requires numeric/complex matrix/vector arguments
I'm wondering if there is an easy way to remove the quotes on the elements
on 'v' or make 'v' into a numeric vector so that I can initialize them with
values?...