NDSolve::rclist
NDSolveValue::rclist
ParametricNDSolve::rclist
ParametricNDSolveValue::rclist
A matrix is not a valid value for the "Coordinates" option:
NDSolve[{D[u[x, t], t] == D[u[x, t], x, x], u[x, 0] == Exp[-100 x ^ 2], u[-1, t] == u[1, t]}, u, {x, -1, 1}, {t, 2}, Method -> {"MethodOfLines", "SpatialDiscretization" -> {"TensorProductGrid", "Coordinates" -> {{1, 2}, {2, 3}}}}]