Suppose you are using MATLAB\'s ode45 function to solve an initial value problem

Question

Suppose you are using MATLAB's ode45 function to solve an initial value problem with a second order ODE. You make the following observations about the solution: 1. You notice that the solution takes longer than expected. 2. Inspection of the graphs of the solution shows steep spikes in the value of the derivative of the solution at two points in the time span. Based on these two observations, it is likely the ODE you are solving is stiff unstable nonlinear computationally intensive none of these are reasonable conclusions ill-conditioned

Explanation / Answer

The solution is unstable.

As it will take longr tome than expected and there will be a spikes in the value of the derivative of a solution

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