Re: Bug in Solve?
- To: mathgroup at smc.vnet.net
- Subject: [mg102956] Re: Bug in Solve?
- From: Ben Dundee <dundee at mps.ohio-state.edu>
- Date: Thu, 3 Sep 2009 05:38:32 -0400 (EDT)
Hi Tony--- Try some algebra :) I think you'll find that the imaginary parts of your answer cancel. To see it numerically, after Solve[...] put N[%]. I find that the imaginary part is on the order of 10^-16. This is coming from the default precision that my computer uses (which can be discovered by evaluating $MachinePrecision). So, check N[Solve[...]], and you should find that the imaginary part scales with the precision of the answer. This you can check by changing the WorkingPrecision option in Solve.