Warning: Failure at t=1.710114e+000. Unable to meet integration tolerances without reducing the step size below the smallest value allowed (6.075546e-015) at time t.
(Type "warning off MATLAB:ode45:IntegrationTolNotMet" to suppress this warning.)
> In D:\MATLAB6p5\toolbox\matlab\funfun\ode45.m at line 335