def get_ltes_from_data(maints, mainys, lte_est):
ltes = []
for ts, ys in zip(utils.partial_lists(maints, 6),
utils.partial_lists(mainys, 6)):
this_lte = lte_est(ts, ys)
ltes.append(this_lte)
return ltes
def get_ltes_from_data(maints, mainys, lte_est):
ltes = []
for ts, ys in zip(utils.partial_lists(maints, 6),
utils.partial_lists(mainys, 6)):
this_lte = lte_est(ts, ys)
ltes.append(this_lte)
return ltes
def check_dydt_calcs(dydt_calculator, order, dt, dydt_exact, y_exact):
"""Check that derivative approximations are roughly as accurate as
expected for a few functions.
"""
ts = sp.arange(0, 0.5, dt)
exact_ys = map(y_exact, ts)
exact_dys = map(dydt_exact, ts, exact_ys)
est_dys = map(dydt_calculator, utils.partial_lists(ts, 5),
utils.partial_lists(exact_ys, 5))
utils.assert_list_almost_equal(est_dys, exact_dys[4:], 10*(dt**order))
def check_dydt_calcs(dydt_calculator, order, dt, dydt_exact, y_exact):
"""Check that derivative approximations are roughly as accurate as
expected for a few functions.
"""
ts = sp.arange(0, 0.5, dt)
exact_ys = map(y_exact, ts)
exact_dys = map(dydt_exact, ts, exact_ys)
est_dys = map(dydt_calculator, utils.partial_lists(ts, 5),
utils.partial_lists(exact_ys, 5))
utils.assert_list_almost_equal(est_dys, exact_dys[4:],
10 * (dt**order))