a) What does this have to do with J2EE?
b) you really expect others to do your homework for you?
c) are you kidding me?
--- On Thu, 4/9/09, aderemi adeyi <adeyi20022...@yahoo.com> wrote:
> From: aderemi adeyi <adeyi20022...@yahoo.com>
> Subject: [java ee programming] Please can anybody help me solve this Problem
> with graph
> To: java-ee-j2ee-programming-with-passion@googlegroups.com
> Date: Thursday, April 9, 2009, 1:30 PM
> Introduction
> You may have
> draw graphs of a specific type
> of mathematical function, for example a quadratic function of the form
> y=ax2+bx+c.
> In this
> assignment you will be required to produce software that
> would enable the user to find the solutions to an equation
> of the form;
> A
> x3+bx2+cx+d=0
> You will be given
> two specific equations to system test your
> software
> 1.
> The user be prompted to enter the values of
> a, b, c and d. In addition, the user will be prompted for
> the range of the x variable over which they
> want the graph of the function y=ax3+bx2+cx+d to be
> displayed.
> The values of x
> where the graph crosses the x-axis are the
> solutions to the equation:
>
> Ax3+bx2+cx+d=0
>
> The limitation of this way of
> finding the solutions to the equation depends on the
> closeness resolution of the graph and the interval of x that has been used to
> calculate the y values. However, your software should present
> user with approximate values(s) of the
> solutions.
>
> Of course, the user may have
> chosen a range of x for the graph that does not show the
> graph crossing or touching the
> x-axis, in which case the software must
> allow the user to input different
> ranges of x.
>
> There are values of a, b, c and d
> for which there are no real
> solutions to the equation but you are not required to
> worry about this and the test equations you will be given
> each have three solutions.
>
> Once the user is convinced that
> there are solutions in the range being considered then there
> will be the option to refine the solutions.
>
>
> 2.
> You should
> encapsulate the software that refines the approximate
> solution(s) in a class named clsRefine.
> The user will be prompted to state to what
> accuracy the solutions are required. The refining software
> will be compute values around the approximate solutions and
> by getting closer to the point where the values of y change sign a more
> accurate solution would be
> found.
>
>
>
>
>
>
>
> DESIGN AND
> IMPLEMENTATION
> To draw the graph you will need to use the
> methods provided by the Swing Applet Class.
> The actual curve of the function will be
> constructed by drawing straight lines btw adjacent
> calculated points of the
> function. (it would be sensible to place the values of the
> function to be plotted in an array.) the smaller the
> interval btwn adjacent x values, then the
> higher will be the resolution of the display.
> For the purposes of this assignment it would
> be appropriate to display the output in the appletviewer.
>
> Thanks
> Julius
>
>
>
>
> >
>
>
>
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