def SX_diag_matrix(seq):
n = len(seq)
res = SX.zeros(n, n)
for i, elt in enumerate(seq):
res[i, i] = elt
return res
def ode(self):
try:
return vertcat(
*[val for val in self._ode.values() if val is not None])
except NotImplementedError:
return SX.zeros(0, 1)
