An Incremental Computer Technique for Solving Coordinate-Rotation Equations

A method for solving coordinate rotation equations on an incremental digital computer is described in this paper. The method employs the basic incremental techniques used in a digital differential analyzer (DDA). However, the method differs from the usual DDA approach in that it takes full advantage of the possibilities for combining ``remainder,´´ or ``R´´ registers. This results in a reduction of digital storage-capacity requirements. Further, techniques are employed which, because of the specific nature of the application, permit additional reductions in storage requirements.