NSolve unable to find all possible roots
- To: mathgroup at smc.vnet.net
- Subject: [mg115577] NSolve unable to find all possible roots
- From: Luiz Melo <luiz.melo at polymtl.ca>
- Date: Sat, 15 Jan 2011 04:45:17 -0500 (EST)
Dear mathgroup,
The equation below has three possible roots, namely: 0., 1.99, -1.99.
eq = x*(Sqrt[-13.319 - x^2] + 2.41*Sqrt[1.004 - x^2])
If we try NSolve[eq == 0, x], we get {{kx-> 0.}} only.
How to instruct NSolve to search for the other two roots of the above equation?
Thank you
Luiz Melo
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