Ejemplo n.º 1
0
class TestLorenzEquation(unittest.TestCase):
    def setUp(self):
        self.ode = LorenzEquation()
        self.solver = ODESolver(ode=self.ode)
        self.solver.initial_state = [10., 50., 50.]

    def test_eval(self):
        dX = self.ode.eval(self.solver.initial_state, 0.0)
        self.assertAlmostEqual(dX[0], 400)
        self.assertAlmostEqual(dX[1], -270)
        self.assertAlmostEqual(dX[2], 1100 / 3.)

    def test_solve(self):
        soln = self.solver.solution[1, :]
        self.assertAlmostEqual(soln[0], 13.65484958)
        self.assertAlmostEqual(soln[1], 46.64090341)
        self.assertAlmostEqual(soln[2], 54.35797299)
Ejemplo n.º 2
0
 def setUp(self):
     self.ode = LorenzEquation()
     self.solver = ODESolver(ode=self.ode)
     self.solver.initial_state = [10., 50., 50.]
     self.solver.t = numpy.linspace(0, 10, 1001)
Ejemplo n.º 3
0
 def setUp(self):
     self.ode = LorenzEquation()
     self.solver = ODESolver(ode=self.ode)
     self.solver.initial_state = [10., 50., 50.]
Ejemplo n.º 4
0
    def _plot_default(self):
        self._set_arr(self.index_name, 'index')
        self._set_arr(self.value_name, 'value')
        plot = Plot(self.pd)
        plot.tools.append(TraitsTool(component=plot))
        plot.tools.append(ZoomTool(component=plot))
        plot.tools.append(PanTool(component=plot))
        plot.x_axis.title = self.index_name
        plot.y_axis.title = self.value_name
        plot.plot(('index', 'value'))
        return plot

    def _index_name_default(self):
        return self.name_list[0]

    def _value_name_default(self):
        return self.name_list[-1]


if __name__ == '__main__':
    from ode import EpidemicODE, LorenzEquation, GenericODE
    import numpy
    ode = EpidemicODE()
    ode = LorenzEquation()
    ode.configure_traits()
    solver = ODESolver(ode=ode,
                       initial_state=[10., 50., 50.],
                       t=numpy.linspace(0, 10, 1001))
    plot = ODEPlot(solver=solver)
    plot.configure_traits()