例句與造句

1. where \, P is the basis transformation matrix.
2. I'm just working on a question about basis transformations and the corresponding transformations of linear maps to agree with their basis and have come to a part that I don't really know where to begin; I think my problem is that I'm not a fan of thinking geometrically and this seems to need some geometrical thought to know what to do.
3. It's difficult to find basis transformation in a sentence. 用basis transformation造句挺難的