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<br>mmm...i might give this a go in PHP. Is is possible to get a written example of the maths and desired display scanned and sent to this list?<br><br>-jack<br><br><hr id="stopSpelling">Date: Wed, 19 Nov 2008 10:40:58 +1100<br>From: IAQUIM@bialik.vic.edu.au<br>To: vbasic@edulists.com.au; php@edulists.com.au; sofdev@edulists.com.au<br>CC: greyruin@gdurkin.com<br>Subject: [Year 12 SofDev] programming and maths<br><br>
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<p class="EC_MsoNormal"><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">One of our maths teachers is looking for a programming
solution to the following. Any ideas which language is best for this? Anyone
willing to give it a go?</span></font></p>
<p class="EC_MsoNormal"><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p class="EC_MsoNormal"><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Maggie</span></font></p>
<p class="EC_MsoNormal"><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;">The task is to display
successive iterations of z-> z<sup>2 </sup>+c where z = x+iy and i is
the square root of -1 and c is a complex constant.</span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;"> </span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;">In particular I want to be
able to preset the number of iterations for a given initial value of z (called
z(0)) and a fixed (but user selectable) value of c. I’m thinking of a
maximum of 1000.</span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;"> </span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;">I want to see a display of
the iterates in a list and a plot on the Argand diagram of each iterate joined
to the previous iterate with a line. I want a unit circle fixed on the display
. I want to be able to show other circles as user defined. I want to be able to
show the Argand diagram with user defined min and max values of Re(z) and
Im(z).</span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;"> </span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="red" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: red; font-weight: bold;">I would like a reset
button to initialise everything. Ideally a zoom in and zoom out feature would
be good too</span></font></b><b><font color="blue" face="Arial"><span style="font-family: Arial; color: blue; font-weight: bold;">.</span></font></b></p>
<p class="EC_MsoNormal"><b><font size="3" color="blue" face="Arial"><span style="font-size: 12pt; font-family: Arial; color: blue; font-weight: bold;"> </span></font></b></p>
<p class="EC_MsoNormal"><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
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