On the Identification of Systems and the Unscrambling of Data--I: Hidden Periodicities.

by Richard Ernest Bellman, H. H. Natsuyama, Robert E. Kalaba

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A general problem in science and control engineering is that of identifying a system on the basis of observations. This series of studies will show how to view this as a nonlinear multipoint boundary-value problem that can be resolved numerically using the method of quasilinearization. The memorandum hunts for hidden periodicities in data and provides an alternative to the classical periodogram analysis. 10 pp. (See also RM-4266, RM-4332.)

This report is part of the RAND Corporation Research memorandum series. The Research Memorandum was a product of the RAND Corporation from 1948 to 1973 that represented working papers meant to report current results of RAND research to appropriate audiences.

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