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Contents

PURPOSE ^

Module TRGAUSS in WAFO Toolbox.

SYNOPSIS ^

This is a script file.

DESCRIPTION ^

  Module TRGAUSS in WAFO Toolbox.  
  Version 2.1.1   07-Sep-2005 
   
   
  Readme        - Readme file for module TRGAUSS in WAFO Toolbox.  
  
  Misc 
  createpdf     - PDF class constructor  
  pdfplot       - Plot contents of pdf structures  
  trplot        - Plot transformation, g, eg.  estimated with dat2tr. 
  
 Transforms and non-linearities 
  dat2gaus      - Transforms  x  using the transformation  g.  
  gaus2dat      - Transforms  xx  using the inverse of transformation  g.  
  mctrtest      - Test if stochastic process is Gaussian. 
  spec2skew     - Estimate moments of 2'nd order waves due to Marthinsen and Winterstein  
  trangood      - Make transformation suitable for efficient transforms.  
  tranproc      - Transforms process X and up to four derivatives  
  trmak         - Put together a transformation object.  
  troptset      - Create or alter TRANSFORM OPTIONS structure.  
  trunmak       - Split a transformation object into its pieces. 
  
  Transformed Gaussian model estimation 
  cdf2tr        - Estimate transformation, g, from observed CDF.  
  dat2tr        - Estimate transformation, g, from data.  
  hermitetr     - Calculate transformation, g, proposed by Winterstein  
  ochitr        - Calculate transformation, g, proposed by Ochi et al.  
  lc2tr         - Estimate transformation, g, from observed crossing intensity.  
  lc2tr2        - Estimate transformation, g, from observed crossing intensity, version 2.  
  
 Gaussian probabilities and expectations 
  bvnormcdf     - Bivariate Normal cumulative distribution function 
  bvnormprb     - Bivariate Normal probability   
  mvnormpcprb   - Multivariate Normal probability with product correlation 
  mvnormprb     - Multivariate Normal probability by Genz' algorithm. 
  mvnortpcprb   - Multivariate Normal or student T probability with product correlation. 
  rind          - Multivariate normal expectations 
  
 Probability density functions (pdf) or intensity matrices 
  chitwo2lc_sorm- SORM-approximation of crossing intensity for noncentral Chi^2 process 
  chitwo2lc_sp  - Saddlepoint approximation of crossing intensity for noncentral Chi^2 process  
  dirsp2chitwo  - Parameters in non-central CHI-TWO process for directional Stokes waves. 
  iter          - Calculates a Markov matrix fmM  given a rainflow matrix frfc;  
  iter_mc       - Calculates a kernel f_xy of a MC given a rainflow matrix  
  mc2rfc        - Calculates a rainflow matrix given a Markov chain with kernel f_xy;  
  mctp2rfc      - Calculates a rainflow matrix given a Markov matrix f_mM of a Markov chain  
  mctp2tc       - Calculates frequencies for the upcrossing troughs and crests  
  nt2fr         - Calculates the frequency matrix given the counting distribution matrix.  
  spec2cmat     - Joint intensity matrix for cycles  
  spec2mmtpdf   - Calculates joint density of Maximum, minimum and period.  
  spec2tccpdf   - Evaluates densities of wave period Tcc, wave lenght Lcc.  
  spec2thpdf    - Joint density of amplitude and period/wave-length characteristics  
  spec2tpdf     - Evaluates densities for crest-,trough-period, length.  
  spec2tpdf2    - Evaluates densities for various wave periods or wave lengths  
  specq2lc      - Saddlepoint approximation of crossing intensity for quadratic sea.  
  th2vhpdf      - Transform joint T-H density to V-H density  
  
 Cumulative distribution functions (cdf) 
  lomaxcdf      - CDF for local maxima for a zero-mean Gaussian process  
  spec2acat     - Evaluates survival function R(h1,h2)=P(Ac>h1,At>h2).  
  spec2acdf     - Evaluates cdf of crests P(Ac<=h) or troughs P(At<=h).

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:
Mathematical Statistics
Centre for Mathematical Sciences
Lund University with Lund Institute of Technology

Comments or corrections to the WAFO group


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