Jonathan D. Lettvin Home Page
Jonathan D. Lettvin Home Page
Copyright(c)2007-2009 Jonathan D. Lettvin, All Rights Reserved.

(email) (resumé: .doc .pdf)
Experience
  • Small, Fast, Correct, Secure programming
  • C++, STL, boost, C, iAPX86 assembly, algorithms
  • Security, optimization, compression, integrity, antivirus
  • Real-time OS development, biometrics, process modeling
  • Image/signal processing, automated code generation
  • Optimized XML Unicode stream translation
  • Physics/Math Finite difference (Maxwell, Wave)
  • Market feed lexing (BATS Pitch ...)
  • Extreme Programming, peer programming
Hobbies
  • Topological transfer functions
  • Finite difference methods
  • Statistical signal processing
  • Optical aberration inversion
  • Neuroanatomy and neurology
  • Neural paradoxes and solutions
  • Synthetic reflex systems
  • Adiabatic pulse propagation
  • Ion/water population dynamics
2003 output of patent pending hyperacute image algorithms

Left half of picture is
the diffraction pattern.
Right half of picture is
three recovered points.
Sample source code
mailto.py
Some browsers use mailto script.
ptm.cpp
C++ pointers-to-member-function.
lex_ulonglong.h.cpp
Optimized, unit-tested, error-detecting, documented numeric lexer for unsigned long longs. Good example of quality-focused code.
diffuse.cpp
Quickly developed code for distributing point charges constrained by a sphere. 3rd party SDL library is used to show dynamic changes. Some charge counts form stable geometries. Others fluctuate constantly (tested for hundreds of thousands of iterations).
Issued patents Pending patents
5559960 Software anti-virus facility Imaging System 20050036655
5826012 Boot-time anti-virus and maintenance facility Geometric remapping with delay lines 20050104632