International Business Machines Corporation

Richard Dimick Jenks

Richard Quimby Williams

Bertrand M Grossman

Calvin John Bittner

Stephen Michael Watt

An expression editor for creating and editing mathematical formulas is implemented as a computer software program. Using the editor, a keyboard and mouse are used to perform actions that build and traverse mathematical structures with a single visual cue, either for the purpose of displaying mathematics in a document, performing a scientific computation, or any combination of the two.

Expression editor

A method for optimizing and transforming a compiler program in a computer system. The method comprises the steps of constructing a compiler comprising a program augmentation capability; and, locating this capability in association with phases of a standard compilation process. The program augmentation capability may comprise symbolic automatic differentiation, or generation of Taylor series, or generation of Hessian or Jacobian matrices.

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Yorktown Heights, NY, United States of America

Richard Dimick Jenks