WAFO Toolbox Version 2.1.1 07-Sep-2005 Wave Analysis for Fatigue and Oceanography (WAFO) Toolbox The WAFO toolbox is mainly developed at Mathematical statistics, Lund University, Sweden <http://www.maths.lth.se/matstat/> see 'wafocredits' for further information. WAFO consists of several modules (directories) with short descriptions below. The modules SPEC, TRGAUSS, WAVEMODELS, and MULTIDIM are mainly for oceanographic applications. The modules CYCLES, MARKOV, and DAMAGE are mainly for fatigue problems. The contents file for each module is shown by typing 'help module-name' Type 'help fatigue' for a presentation of all routines related to fatigue. The paths to the modules are initiated by the function 'initwafo'. ONEDIM - Data analysis of time series. Example: extraction of turning points, estimation of spectrum, covariance function. SPEC - Computation of spectral moments and covariance functions. Ex: common spectra implemented, directional spectra, bandwidth measures TRGAUSS - Modelling with linear, Gaussian waves. Ex: exact distributions for wave characteristics, transformed Gaussian processes WAVEMODELS - Models for distributions of wave characteristics found in the literature. Ex: parametric models for breaking limited wave heights. MULTIDIM - Multi-dimensional time series analysis. (Under construction) CYCLES - Cycle counting, discretization, and crossings. Ex: Rainflow cycles and matrix, discretization of loads. MARKOV - Routines for Markov loads, switching Markov loads, and their connection to rainflow cycles. DAMAGE - Calculation of damage. Ex: Damage of a rainflow count or matrix, damage matrix, S-N plot. WSIM - Simulation of random processes. Ex: spectral simulation, simulation of discrete Markov chains, switching Markov chains, harmonic oscillator WSTATS - Statistical tools and extreme-value distributions. Ex: generation of random numbers, estimation of parameters, evaluation of pdf and cdf KDETOOLS - Kernel-density estimation. MISC - Miscellaneous routines. Ex: numerical integration, smoothing spline, binomial coefficient, water density. WDEMOS - WAFO demos. DOCS - Documentation of toolbox, definitions. An overview is given in the routine wafomenu. DATA - Measurements from marine applications. PAPERS - Commands that generate figures in selected scientific publications. SOURCE - Fortran and C files. Information on compilation. EXEC - Executable files (cf. SOURCE), pre-compiled for Solaris, Alpha-Dec or Windows. WAFO homepage: <http://www.maths.lth.se/matstat/wafo/> On the WAFO home page you will find: - The WAFO Tutorial - New versions of WAFO to download. - Reported bugs. - List of publications related to WAFO.

Mathematical Statistics

Centre for Mathematical Sciences

Lund University with Lund Institute of Technology

Comments or corrections to the WAFO group

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