I really do encourage you to play around more with this idea, imagining two different transformations, thinking about what happens when you apply one after the other, then working out the matrix product numerically.
我真的鼓励你们多尝试一下这个想法 想象两个不同的变换 想想当你一个接一个地应用时会发生什么 然后用数字计算出矩阵乘积。