org.lsmp.djepExamples
Class MatrixConsole

java.lang.Object
  org.lsmp.djepExamples.MatrixConsole

public class MatrixConsole

extends java.lang.Object

This class implements a simple command line utility for evaluating mathematical expressions. Usage: java org.lsmp.djep.matrixParser.MatrixParserConsole [expression] If an argument is passed, it is interpreted as an expression and evaluated. Otherwise, a prompt is printed, and the user can enter expressions to be evaluated. To exit from the command prompt a 'q' must be entered. typing

diff(x^2,x)

will differentiate x^2 wrt 2. And

eval(x^2,x,3)

will calculate x^2 at x=3. Expresions like

eval(diff(diff(x^2+y^3,x),y),x,3,y,4)

are also allowed.

Constructor Summary

MatrixConsole()
Constructor

Method Summary

static void	main(java.lang.String[] args) Creates a new Console object and calls run()
void	run(java.lang.String[] args) The input loop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MatrixConsole

public MatrixConsole()

Constructor

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Creates a new Console object and calls run()

Throws:

java.io.IOException

run

public void run(java.lang.String[] args)
         throws java.io.IOException

The input loop

Throws:

java.io.IOException