def dstep_dx(x, t, dt): """Compute resolvent (propagator) of the TLM. I.e. the Jacobian of `step(x)`.""" return integrate_TLM(d2x_dtdx(x), dt, method='approx')
def dstep_dx(x, t, dt): # For L96, method='analytic' >> 'approx' return integrate_TLM(d2x_dtdx(x), dt, method='analytic')
def dstep_dx(self, x, t, dt): return integrate_TLM(self.d2x_dtdx_auto(x), dt, method='analytic')
def dstep_dx(x, t, dt): return integrate_TLM(d2x_dtdx(x), dt, method='analytic')
def dstep_dx(x, t, dt): return integrate_TLM(d2x_dtdx(x), dt, method='approx')