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The pEst version 2.1 user's manualThis report is a user's manual for version 2.1 of pEst, a FORTRAN 77 computer program for interactive parameter estimation in nonlinear dynamic systems. The pEst program allows the user complete generality in definig the nonlinear equations of motion used in the analysis. The equations of motion are specified by a set of FORTRAN subroutines; a set of routines for a general aircraft model is supplied with the program and is described in the report. The report also briefly discusses the scope of the parameter estimation problem the program addresses. The report gives detailed explanations of the purpose and usage of all available program commands and a description of the computational algorithms used in the program.
Document ID
19870018884
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Murray, James E. (NASA Hugh L. Dryden Flight Research Center Edwards, CA, United States)
Maine, Richard E. (NASA Hugh L. Dryden Flight Research Center Edwards, CA, United States)
Date Acquired
September 5, 2013
Publication Date
September 1, 1987
Subject Category
Computer Programming And Software
Report/Patent Number
NAS 1.15:88280
NASA-TM-88280
H-1390
Accession Number
87N28317
Funding Number(s)
PROJECT: RTOP 505-68-31
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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