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hi all,<br>
<br>
now free solver <a target="_blank" href="http://openopt.org/interalg">interalg</a> from OpenOpt framework (based on interval analysis) can solve ODE dy/dt = f(t) with guaranteed specifiable accuracy.<br>
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See the <a target="_blank" href="http://openopt.org/ODE">ODE</a> webpage for more details, there is an example of comparison with scipy.integrate.odeint, where latter fails to solve a problem.<br>
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Future plans include solving of some general ODE systems dy/dt = f(y, t).<br>
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Regards, D.<br>
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