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Relational Algebra scripts

Functional dictionary and list types

... dictionary and list type that can aid in relational algebra, functional programming, list-oriented programming, and perhaps even code obfuscation. ...
Python

Basic Linear Algebra Matrix

... the Matrix class, an implementation of a linear algebra matrix. Arithmetic operations, trace, determinant, and minors are ... for people who need to do basic linear algebra. Vectors are implemented as 1xN and Nx1 matricies. There is no separate vector class. This implementation enforces the distinction between row and column vectors. ...
Python

ATLAS

ATLAS (Automatically Tuned Linear Algebra Software) provides highly optimized Linear Algebra kernels for arbitrary cache-based architectures.ATLAS provides ANSI C and Fortran77 interfaces for the entire BLAS API, and a small portion of the LAPACK API. ...

Classmethods for Object Relational Mappings

... one use for class methods, i.e. to map Relational tables and rows to objects in python. class methods come in handy when you want all objects in a class to share one method, in this case to retrieve rows from a table. ...
Python

phpPersist

This is an Object - Relational framework for php like many those in Java. It converts objects to tables rows and back, so instead of seeing SQL in your code you see objects. ...

phpMyORM

phpMyORM is a Object Relational Mapping library for PHP and MySQL. It supports basic CRUD (Create, Read, Update, Destroy) functionality from within PHP objects. It does this by creating SQL based on info describing your PHP objects and database layout. ...

Dee Module

Dee Module implements a truly relational database language using Python. ...
Python

MaximaPHP

... based PHP interface to communicate to Maxima computer algebra system in the server. It takes user input, send it to Maxima, and show the output back to website. It could send almost any commands including 'plot2d' and 'plot3d' to plot graphs. ...

phpDbObject

... to a database, written in PHP. It allows object relational mapping (ORM). ...

Function composition

This script contains two classes that show two styles of function composition. The difference is only when the second function (g) returns a tuple. compose function passes the results of g as a tuple, mcompose treats it as a tuple of args to pass along. Note that extra args provided to (m)compose are treated ...
Python

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