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More "adaptive" plot function? #8

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axkr opened this issue Sep 20, 2019 · 2 comments
Open

More "adaptive" plot function? #8

axkr opened this issue Sep 20, 2019 · 2 comments

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@axkr
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axkr commented Sep 20, 2019 •
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Can we get a more "adaptive" plot function?

See for example these discussions:

Especially this function plot example will benefit from such an "adaptive" approach:

<html>
<head>
<meta charset="utf-8">
<title>MathCell</title>
<link rel="stylesheet" type="text/css" href="style.css">
<style></style>
</head>

<body>
<script src="https://cdn.jsdelivr.net/gh/paulmasson/[email protected]/build/math.js"></script>

<script src="https://cdn.jsdelivr.net/gh/paulmasson/[email protected]/build/mathcell.js"></script>
<script src="https://cdn.jsdelivr.net/gh/mathjax/[email protected]/MathJax.js?config=TeX-AMS_HTML"></script>
<div class="mathcell" style="width: 100%; height: 100%; padding: .25in .5in .5in .5in;">
<script>

var parent = document.scripts[ document.scripts.length - 1 ].parentNode;

var id = generateId();
parent.id = id;

MathCell( id, [  ] );

parent.update = function( id ) {


function z1(x) { return tan(x); }

var p1 = plot( z1, [0, (6.283185307179586)], { } );
var data = [ p1 ];
var config = { type: 'svg' , yMin: -200, yMax: 200 };
evaluate( id, data, config );

}

parent.update( id );

</script>
</div>

</body>
</html>
@axkr
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axkr commented Sep 28, 2019

Another interesting example:

<html>
<head>
<meta charset="utf-8">
<title>MathCell</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>

<body>
<script src="https://cdn.jsdelivr.net/gh/paulmasson/[email protected]/build/math.js"></script>

<script src="https://cdn.jsdelivr.net/gh/paulmasson/[email protected]/build/mathcell.js"></script>
<script src="https://cdn.jsdelivr.net/gh/mathjax/[email protected]/MathJax.js?config=TeX-AMS_HTML"></script>
<div class="mathcell" style="width: 100%; height: 100%; padding: .25in .5in .5in .5in;">
<script>

var parent = document.scripts[ document.scripts.length - 1 ].parentNode;

var id = generateId();
parent.id = id;

MathCell( id, [  ] );

parent.update = function( id ) {


function z1(x) { return Math.round(x); }

var p1 = plot( z1, [-5, 5], { } );
var data = [ p1 ];
var config = { type: 'svg'  };
evaluate( id, data, config );

}

parent.update( id );

</script>
</div>

</body>
</html>

@paulmasson
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More input from @axkr:

Interval arithmetic to solve the problems for Tan, Cot: https://mauriciopoppe.github.io/function-plot/

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@axkr @paulmasson