我们需要用到哪些坐标,我们也许会用一部分柱坐标,但有一个例外,即我们不需要,因为它不变,r在这里不是个变量。
Well, yes, we probably want to use part of a cylindrical coordinate, r except for, well, we don't want r because r doesn't change, it is not a variable here.
用双代数形式表示的不变量具有简洁、具体的表达式,可以由图像点坐标和基础矩阵直接求出。
The invariants of double algebra's form has simple and explicit expression which can be computed directly by coordinates of image points and fundamental matrix.
要记得,在这里的fx中,是作为常量保持不变的。,looking,at,the,situation,where,y,is,held,constant。,这是我用一个平行于xz坐标系的平面,横截了f,所得到的图形。
Remember, partial f, partial x was obtained by y That means I am slicing the graph of f by a plane that is parallel to the x, z plane.
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