test_tools.py 文件源码

def setUp(self):
        self._x1, self._x2 = sp.symbols("x y")
        self.x = sp.Matrix([self._x1, self._x2])
        self.f = sp.Matrix([-self._x2**2, sp.sin(self._x1)])
        self.h = sp.Matrix([self._x1**2 - sp.sin(self._x2)])