Lattice QCD in Fortran

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Useful Fortran programs.

Eigensystems

• Jacobi method for real symmetric matrix
  
• Jacobi method for hermite matrix
  
• Householder with QR method for real symmetric matrix
  
• Lanczos with QR method
  
• Implecitly restarted Lanczos method
  

Polynomial approximation

• Chebychev polynomial approximation
  
• Zolotarev rational approximation of sign function
  

Update history

• 9 Aug 2005 - Chebychev polynomial approximation
• 9 Aug 2005 - Zolotarev rational approximation