I have an Integrators and Deriivatives function, which when I called the integrators, it would said "Unrecognized function or variable ‘rk78_mex’.". I have ran this program before but for some reason it is not working now.I have an Integrators and Deriivatives function, which when I called the integrators, it would said "Unrecognized function or variable ‘rk78_mex’.". I have ran this program before but for some reason it is not working now. I have an Integrators and Deriivatives function, which when I called the integrators, it would said "Unrecognized function or variable ‘rk78_mex’.". I have ran this program before but for some reason it is not working now. ode45, integration MATLAB Answers — New Questions

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