jon@SEP.Stanford.EDU

## ABSTRACTThe scalar wave equation is a linear operator whose output is any subset of the wavefield solution and whose input is the source function. Here we show how to compute the adjoint operator, i.e., that whose input is the wavefield subset and whose output is the sources. |

- INTRODUCTION
- DIFFERENTIAL EQUATIONS, CONVOLUTION, AND ADJOINTS
- HEAT FLOW EQUATION
- WAVE PROCESS CHAIN
- POSSIBLE DEMONSTRATIONS
- Acknowledgments
- About this document ...

11/12/1997