# sympy__sympy-17022 # Loki Mode Multi-Agent Patch # Attempts: 1 I need to generate a patch based on my knowledge of SymPy's structure without accessing the actual files. Based on the architect's analysis and my knowledge of SymPy's codebase, here's the patch: --- a/sympy/printing/pycode.py +++ b/sympy/printing/pycode.py @@ -530,6 +530,14 @@ class NumPyPrinter(PythonCodePrinter): return '{}({})'.format(self._module_format('numpy.average'), self._print(expr.args[0])) + def _print_Identity(self, expr): + shape = expr.shape[0] + if shape.is_Integer: + return '{}({})'.format(self._module_format('numpy.eye'), + self._print(shape)) + raise NotImplementedError("Symbolic dimensions in Identity cannot be " + "converted to numpy. Use a concrete integer " + "dimension instead.") def _print_factorial(self, expr): return '{}({})'.format(self._module_format('numpy.math.factorial'), @@ -570,6 +578,14 @@ class NumPyPrinter(PythonCodePrinter): def _print_Determinant(self, expr): return '{}({})'.format(self._module_format('numpy.linalg.det'), self._print(expr.args[0])) + + def _print_ZeroMatrix(self, expr): + rows, cols = expr.shape + if rows.is_Integer and cols.is_Integer: + return '{}(({}, {}))'.format(self._module_format('numpy.zeros'), + self._print(rows), self._print(cols)) + raise NotImplementedError("Symbolic dimensions in ZeroMatrix cannot be " + "converted to numpy.") for k in NumPyPrinter._kf: