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<!DOCTYPE html>
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<title>Octave Fuzzy Logic Toolkit: showrule</title>
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Function Reference: <b><code>showrule</code></b>
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<div class="card-body">
<dl>
<dt><u>Function File:</u> <b>showrule</b><i> (<var>fis</var>)</i></dt>
<dt><u>Function File:</u> <b>showrule</b><i> (<var>fis</var>, <var>index_list</var>)</i></dt>
<dt><u>Function File:</u> <b>showrule</b><i> (<var>fis</var>, <var>index_list</var>, <var>format</var>)</i></dt>
<dt><u>Function File:</u> <b>showrule</b><i> (<var>fis</var>, <var>index_list</var>, <var>'verbose'</var>, <var>language</var>)</i></dt>
<dt><u>Function File:</u> <b>showrule</b><i> (<var>fis</var>, <var>index_list</var>, <var>'verbose'</var>, <var>'custom'</var>, <var>{"and" "or" "If" "then" "is" "isn't" "somewhat" "very" "extremely" "very very"}</var>)</i></dt>
</dl>
<p> Show the rules for an FIS structure in verbose, symbolic, or indexed format.
Built in languages for the ’verbose’ format are: English,
Chinese (or Mandarin, Pinyin), Russian (or Pycckii, Russkij), French (or Francais),
Spanish (or Espanol), and German (or Deutsch). The names of the languages are
case-insensitive, Chinese is written in Pinyin, and Russian is transliterated.
</p>
<div class="ms-5">
<p> To use a custom language, enter ’verbose’ and ’custom’ for the third and
fourth parameters, respectively, and a cell array of ten strings (to specify
the custom language) corresponding to the English {"and" "or" "If" "then"
"is" "isn’t" "somewhat" "very" "extremely" "very very"} for the fifth
parameter.
</p>
<p> To run the demonstration code, type "<tt>demo showrule</tt>" (without the quotation
marks) at the Octave prompt.
</p>
<p> <strong>See also: </strong>
<a href="addrule.html">addrule</a>,
<a href="getfis.html">getfis</a>,
<a href="showfis.html">showfis</a>
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Example: 1
</h3>
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<table><tbody><tr>
<td> </td>
<td><pre class="example">
fis = readfis ('sugeno_tip_calculator.fis');
puts ("Output of: showrule(fis)\n");
showrule (fis)
puts ("\n");
Output of: showrule(fis)
1. If (Food-Quality is extremely Bad) and (Service is extremely Bad), then (Cheap-Tip is extremely Low) and (Average-Tip is very Low) and (Generous-Tip is Low) (1)
2. If (Food-Quality is Good) and (Service is extremely Bad), then (Cheap-Tip is Low) and (Average-Tip is Low) and (Generous-Tip is Medium) (1)
3. If (Food-Quality is very Good) and (Service is very Bad), then (Cheap-Tip is Low) and (Average-Tip is Medium) and (Generous-Tip is High) (1)
4. If (Food-Quality is Bad) and (Service is Bad), then (Cheap-Tip is Low) and (Average-Tip is Low) and (Generous-Tip is Medium) (1)
5. If (Food-Quality is Good) and (Service is Bad), then (Cheap-Tip is Low) and (Average-Tip is Medium) and (Generous-Tip is High) (1)
6. If (Food-Quality is extremely Good) and (Service is Bad), then (Cheap-Tip is Low) and (Average-Tip is Medium) and (Generous-Tip is very High) (1)
7. If (Food-Quality is Bad) and (Service is Good), then (Cheap-Tip is Low) and (Average-Tip is Medium) and (Generous-Tip is High) (1)
8. If (Food-Quality is Good) and (Service is Good), then (Cheap-Tip is Medium) and (Average-Tip is Medium) and (Generous-Tip is very High) (1)
9. If (Food-Quality is very Bad) and (Service is very Good), then (Cheap-Tip is Low) and (Average-Tip is Medium) and (Generous-Tip is High) (1)
10. If (Food-Quality is very very Good) and (Service is very very Good), then (Cheap-Tip is High) and (Average-Tip is very High) and (Generous-Tip is extremely High) (1)
</pre></td></tr></tbody>
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<div class="row d-flex flex-wrap align-items-center">
<div class="col-sm-3 col-md-5 mb-2 mb-sm-0">
<h3 class="d-inline-block mr-2">
Example: 2
</h3>
</div>
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</div>
<div class="card-body">
<div class="container bg-light">
<div class="row">
<table><tbody><tr>
<td> </td>
<td><pre class="example">
fis = readfis ('sugeno_tip_calculator.fis');
puts ("Output of: showrule(fis, [2 4], 'symbolic')\n");
showrule (fis, [2 4], 'symbolic')
puts ("\n");
Output of: showrule(fis, [2 4], 'symbolic')
2. (Food-Quality == Good) && (Service == Bad^3.0) => (Cheap-Tip == Low) && (Average-Tip == Low) && (Generous-Tip == Medium) (1)
4. (Food-Quality == Bad) && (Service == Bad) => (Cheap-Tip == Low) && (Average-Tip == Low) && (Generous-Tip == Medium) (1)
</pre></td></tr></tbody>
</table>
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<div class="row d-flex flex-wrap align-items-center">
<div class="col-sm-3 col-md-5 mb-2 mb-sm-0">
<h3 class="d-inline-block mr-2">
Example: 3
</h3>
</div>
</div>
</div>
<div class="card-body">
<div class="container bg-light">
<div class="row">
<table><tbody><tr>
<td> </td>
<td><pre class="example">
fis = readfis ('sugeno_tip_calculator.fis');
puts ("Output of: showrule(fis, 1:4, 'indexed')\n");
showrule (fis, 1:4, 'indexed')
puts ("\n");
Output of: showrule(fis, 1:4, 'indexed')
1.30 1.30, 1.30 1.20 1 (1) : 1
2 1.30, 1 1 2 (1) : 1
2.20 1.20, 1 2 3 (1) : 1
1 1, 1 1 2 (1) : 1
</pre></td></tr></tbody>
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<h3 class="d-inline-block mr-2">
Example: 4
</h3>
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</div>
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<div class="container bg-light">
<div class="row">
<table><tbody><tr>
<td> </td>
<td><pre class="example">
fis = readfis ('sugeno_tip_calculator.fis');
puts ("Output of: showrule(fis, 1, 'verbose', 'francais')\n");
showrule (fis, 1, 'verbose', 'francais')
puts ("\n");
Output of: showrule(fis, 1, 'verbose', 'francais')
1. Si (Food-Quality est extremement Bad) et (Service est extremement Bad), alors (Cheap-Tip est extremement Low) et (Average-Tip est tres Low) et (Generous-Tip est Low) (1)
</pre></td></tr></tbody>
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