Root Finder

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Find Roots of Real-Valued Functions

Type a new function and study it's zero crossings. Look at the info panel to view the numerical values of the roots. To get the info Panel press F1 or Ctrl-i

Root Finder Tutorial

Controls:

Function expression textfield In the textfield you can use the mathematical functions described in Expressions.html to type a new function, the zero crossings of which you wont to be found.

Slider "xMin" Lower bound of definition interval for the function.

Slider "xMax" Upper bound of definition interval for the function.

Slider &quotDiscr of Polygon" Number of equidistant x-values in the definition interval. For these x-values the function will be evaluated to find starting values for the searching algorithm.

View source code: PaRootFinder.java of applet, PjRootFinder of project, PjRootFinder_IP of info panel.

Function expression textfield	In the textfield you can use the mathematical functions described in Expressions.html to type a new function, the zero crossings of which you wont to be found.
Slider "xMin"	Lower bound of definition interval for the function.
Slider "xMax"	Upper bound of definition interval for the function.
Slider &quotDiscr of Polygon"	Number of equidistant x-values in the definition interval. For these x-values the function will be evaluated to find starting values for the searching algorithm.