orthopoly.py 文件源码

def norm2(self,grid_func):
        """Calculates the 2norm of grid_func"""
        factor = np.prod([(s.xmax-s.xmin) for s in self.stencils])
        integral = self.inner_product(grid_func,grid_func) / factor
        norm2 = np.sqrt(integral)
        return norm2