Lab Examples
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Lab Examples
J systems contain many Labs covering a wide range of topics. A Lab is an interactive tutorial. When you run a Lab it displays a descriptive section in your J programming window along with actual executions of expressions and their results. You can then study these and try your own experiments before continuing on to the next step.
It is far more interesting and useful to download (~4Mb) and install (dead easy) a J system and then run the labs locally on your system. However, we include a few lab sessions here, without their display pauses for experimentation:
- A Taste of J (part 1)
- A Taste of J (part 2)
- An Idiosyncratic Introduction to J
- Application Distribution - Installer
- Building Applications
- Iterating with Class Verbs
- LAPACK Linear Algebra Package
- Locales
- Fractals, Visualization & J
- Mapped Files
- Regular Expressions
- ODBC Basics
- ODBC Simple Application
- Sockets and the Internet
- Socket Driver