In numerical analysis of such methods, we need to consider the stability and approximation properties of the Chebyshev interpolation operator in L2-norm rather than in the Chebyshev weighted norm. 在CL方法的数值分析中,我们需要考虑Chebyshev插值算子按L~2范数意义下的稳定性和逼近性质,而不是通常的带Chebyshev权范数意义下的稳定性和逼近性质。