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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Interpolation</title>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/3.2.1/math.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="css.css">
<script type="text/javascript" src="interpolation.js"></script>
<script type="text/javascript" src="tablemode.js"></script>
<script type="text/javascript" src="plot.js"></script>
<script type="text/javascript" async
src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script src="https://wzrd.in/standalone/[email protected]"></script>
</script>
</head>
<body>
<div id="interpolation">
<center><h1>Interpolating Polynomial</h1></center>
<center>
<table id="value_table" class="input_table">
<tbody id="value_table_body">
<tr>
<td><center>$$x$$</center></td>
<td><center>$$f(x)$$</center></td>
</tr>
<tr id="row_0">
<td><input type="number" id="X_0"></td>
<td><input type="number" id="Y_0"></td>
</tr>
<tr id="row_1">
<td><input type="number" id="X_1"></td>
<td><input type="number" id="Y_1"></td>
</tr>
<tr id="row_2">
<td><input type="number"id="X_2"></td>
<td><input type="number" id="Y_2"></td>
</tr>
<tr id="row_3">
<td><input type="number"id="X_3"></td>
<td><input type="number"id="Y_3"></td>
</tr>
</tbody>
</table>
</center>
<br>
<br>
<center>
<button text="calculate" onclick="calculate()">Calculate!</button>
</center>
<center>
<button id="delete_row" >Delete Row</button>
</center>
<center>
<button id="add_row">Add row</button>
</center>
<br>
<center>Answer as:</center>
<center><input type="radio" name="display_type" value="fraction" id="radio_frac">Fraction</center>
<center><input type="radio" name="display_type" value="decimal" id="radio_decimal" checked="checked">Decimal</center>
<br>
<center><h3>There are some issues with rounding errors</h3></center>
<center>
<h3>$$f(x) = $$</h3>
<table class="results" border="1|0">
<tr id="results_lable">
<td><center>\(x^3\)</center></td>
<td><center>\(x^2\)</center></td>
<td><center>\(x^1\)</center></td>
<td><center>\(x^0\)</center></td>
</tr>
<tr id="result_row">
<td id="x^3" height="20px" width="50px"></td>
<td id="x^2" height="20px" width="50px"></td>
<td id="x^1" height="20px" width="50px"></td>
<td id="x^0" height="20px" width="50px"></td>
</tr>
</table>
</center>
<center><button onclick="transferCoifitionts()">Transfer to Table Mode</button></center>
<center><div id="display_formula">$$f(x) = $$</div></center>
<br>
<button onclick="plotGraph()">Plot Graph</button>
<br>
<center>
<center><div id="plot"></div></center>
</center>
</div>
<div id="tablemode">
<center><h1>Table Mode</h1></center>
<center>
<table class="input_table" id="table_mode_input">
<tr>
<td><center>Power</center></td>
<td><center>Coifitiont</center></td>
</tr>
<tr id="coif_row_3">
<td><center>\(x^3:\)</center></td>
<td id="inx^3" height="20px" width="50px"><center><input type="text" id="coif_3"></center></td>
</tr>
<tr id="coif_row_2">
<td><center>\(x^2:\)</center></td>
<td id="inx^2" height="20px" width="50px"><center><input type="text" id="coif_2"></center></td>
</tr>
<tr id="coif_row_1">
<td><center>\(x^1:\)</center></td>
<td id="inx^1" height="20px" width="50px"><center><input type="text" id="coif_1"></center></td>
</tr>
<tr id="coif_row_0">
<td><center>\(x^0:\)</center></td>
<td id="inx^0" height="20px" width="50px"><center><input type="text" id="coif_0"></center></td>
</tr>
</table>
</center>
<br><br>
<center>
<button text="Calculate" onclick="tablemodeCalculate()">Calculate!</button>
</center>
<center>
<button id="tablemode_lower_order">Lower Order</button>
</center>
<center>
<button id="tablemode_higher_order">Higher Order</button>
</center>
<br>
<center>Answer as:</center>
<center><input type="radio" name="table_display_type" value="fraction" id="table_radio_frac">Fraction</center>
<center><input type="radio" name="table_display_type" value="decimal" id="table_radio_decimal" checked="checked">Decimal</center>
<br>
<center>
From: <input id="table_mode_from" type="number">
</center>
<center>
To: <input id="table_mode_to" type="number">
</center>
<center>
Step: <input id="table_mode_step" type="number">
</center>
<br>
<center>
<table id="table_results" class="results" border"1|0">
<tr><td><center>\(x\)</center></td><td><center>\(f(x)\)</center></td></tr>
<tr>
<td><center><input type="text" id="table_x_0"></center></td>
<td><center><p id="table_y_0"></p></center></td>
</tr>
<tr>
<td><center><input type="text" id="table_x_1"></center></td>
<td><center><p id="table_y_1"></p></center></td>
</tr>
<tr>
<td><center><input type="text" id="table_x_2"></center></td>
<td><center><p id="table_y_2"></p></center></td>
</tr>
<tr>
<td><center><input type="text" id="table_x_3"></center></td>
<td><center><p id="table_y_3"></p></center></td>
</tr>
<tr id="table_restuls_above">
<td><button id="table_add_input_row">Add Row</button></td>
<td><button id="table_delete_input_row">Delete Row</button></td>
</tr>
</table>
</center>
<br>
</div>
<div id="footer">
<center><a href="https://github.com/AlwinHughes/Interpolation-Calculator"><h4>Help fix this mess</h4></a></center>
</div>
</body>
</htm>