Solved
why minerr() cannot work ?
I wanna estimate k0, n, and k in the ODEs, but cannot let Minerr() run in my calculating sheet.
but flexPDE can give a reasonable answer
see the attached picture:
Main error was that the interval for odesolve was just up to 1000, but one of the values in tau.exp which you then feed into the resulting functions was 1500.
Minor errors are a typo in the variable name tau.exp (extra period at the and of the name) and the definition of the range t which should be tau.
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