The error value.not-positive

user: the script can change it: the error says what happened in the experiment’s names, and what to write instead.

Where MIME gives it, with what its message says happened and what its action says to do ({…} is filled in from the experiment):

• in mime/dynamics/body/_rigid_inertial.py:

  • what happened: the moments of inertia {…} are not all above zero: the step divides by them, and a body without one has no rotation to integrate

  • what to do: declare the principal moments about the body's axes, each above zero: exp.declare('<body>.inertia', kg_m2((Ix, Iy, Iz)), reason=...)

• in mime/materials/_values.py:

  • what happened: {…} is {…} {…} ({…}), {…} of zero or less: {…}

  • what to do: declare it above zero, in its unit: exp.declare({…}, {…}({…}), reason="..."){…}

Reading an error and reaching its full traceback: reading an error. Every code: the index.