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Topic: FindRoot with Logarithmic terms
Replies: 6   Last Post: Jan 29, 2011 5:44 AM

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skunkwerk

Posts: 4
Registered: 8/16/08
FindRoot with Logarithmic terms
Posted: Jan 28, 2011 6:16 AM
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Hi,
I'm trying to find the roots of a logarithmic equation that I've plotted successfully (I can see both roots are between 0 and 1).

expr = 7500*x*(1 - x) + 325*8.314*(x*Log[x] + (1 - x)*Log[(1 - x)])
FindRoot[expr == 0, {x, 0, 1}]

FindRoot:nlnum: the function value(indeterminate) is not a list of numbers with dimensions {1} at {x} = {0.}

any ideas?

thanks




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