46003aa14454ea427547d34d70a657e0c290128e,brian2/stateupdaters/exact.py,LinearStateUpdater,__call__,#LinearStateUpdater#Any#Any#,214

Before Change

                    continue  // not a function of time
                symbol = str(symbol.func)
                var = variables.get(symbol, None)
                if (isinstance(var, Function) and
                        not var.is_locally_constant(dt_var.get_value())):
                    raise ValueError(("Function %s is not locally constant "
                                      "over time, cannot use linear "
                                      "integration.") % symbol)

        symbols = [Symbol(variable, real=True) for variable in varnames]
        solution = sp.solve_linear_system(matrix.row_join(constants), *symbols)
        b = sp.ImmutableMatrix([solution[symbol] for symbol in symbols]).transpose()
        

After Change

        if dt_var is not None:
            // This will raise an error if we meet the symbol "t" anywhere
            // except as an argument of a locally constant function
            for entry in itertools.chain(matrix, constants):
                _check_for_t(entry, variables, dt_var.get_value(), t)
        symbols = [Symbol(variable, real=True) for variable in varnames]
        solution = sp.solve_linear_system(matrix.row_join(constants), *symbols)

Instances