<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
<p>Sorry, I thought you were just asking about the tildas, not the
syntax of unique() in Scilab.</p>
<p>Please see</p>
<p><a class="moz-txt-link-freetext" href="https://help.scilab.org/docs/6.0.2/en_US/unique.html">https://help.scilab.org/docs/6.0.2/en_US/unique.html</a></p>
<p>vs</p>
<p><a class="moz-txt-link-freetext" href="https://fr.mathworks.com/help/matlab/ref/unique.html">https://fr.mathworks.com/help/matlab/ref/unique.html</a></p>
<p>Matlab syntax [C,ia,ic] = unique(___) with 3 outputs has no
equivalent in Scilab. i.e. in Matlab, after [C,ia,ic] = unique(A)
then A=C(ic), i.e. values in ic are the indices of corresponding
unique value in C. They can be recovered with the quick and dirty
following loop:</p>
<p>for i=1:length(a)<br>
ia(i)=find(a(i)==C)<br>
end<br>
</p>
<div class="moz-cite-prefix">S.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Le 16/10/2019 à 12:10, P M a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:CACf7ODtu3kcCa4k72w=jg+gYqxD7Wuhox+Me-Bqg4aeZ0dbA_w@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">
<div><span style="color:rgb(74,85,219)">[ans</span><span
style="color:rgb(0,0,0)">,</span><span
style="color:rgb(0,0,0)"></span><span
style="color:rgb(0,0,0)">ans,</span><span
style="color:rgb(0,0,0)">Minstances_hat</span><span
style="color:rgb(74,85,219)">]</span> <span
style="color:rgb(92,92,92)">=</span> <span
style="color:rgb(0,0,0)">unique</span><span
style="color:rgb(74,85,219)">(</span><span
style="color:rgb(0,0,0)">B</span><span
style="color:rgb(74,85,219)">(</span><span
style="color:rgb(255,170,0)">:</span><span
style="color:rgb(74,85,219)">)</span><span
style="color:rgb(74,85,219)">)</span><span
style="color:rgb(0,0,0)">;</span> <br>
</div>
<div>gives: Wrong number of output arguments.</div>
<div><br>
</div>
<div>I also tried :</div>
<div>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(74,85,219)">[</span><span style="color:rgb(0,0,0)">Minstances_hat</span><span style="color:rgb(74,85,219)">]</span> <span style="color:rgb(92,92,92)">=</span> <span style="color:rgb(0,0,0)">unique</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">B</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(255,170,0)">:</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span></pre>
<span style="color:rgb(74,85,219)"></span></div>
<div>and get a vector.</div>
<div>also <br>
</div>
<div><span style="color:rgb(74,85,219)"></span><span
style="color:rgb(74,85,219)"></span>
</div>
<div>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(74,85,219)">[</span><span style="color:rgb(0,0,0)">Minstances_hat</span><span style="color:rgb(0,0,0)">,</span><span style="color:rgb(0,0,0)">index</span><span style="color:rgb(74,85,219)">]</span> <span style="color:rgb(92,92,92)">=</span> <span style="color:rgb(0,0,0)">unique</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">B</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(255,170,0)">:</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span></pre>
<span style="color:rgb(74,85,219)"></span></div>
<div><span style="color:rgb(0,0,0)">seem to work.<br>
</span>
</div>
<div><br>
</div>
<div><br>
</div>
<div>However afterwards there is this line: <br>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(92,92,92)">masks =</span> reshape<span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">Minstances_hat</span><span style="color:rgb(92,92,92)">-</span><span style="color:rgb(188,143,143)">1</span><span style="color:rgb(0,0,0)">,</span><span style="color:rgb(50,185,185)">size</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">B</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span></pre>
</div>
<div>I try to convert via: <br>
</div>
<div>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(0,0,0)">mask</span> <span style="color:rgb(92,92,92)">=</span> <span style="color:rgb(50,185,185)">matrix</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">Minstances_hat</span><span style="color:rgb(92,92,92)">-</span><span style="color:rgb(188,143,143)">1</span><span style="color:rgb(0,0,0)">,</span><span style="color:rgb(50,185,185)">size</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">B</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;</span></pre>
</div>
<div>but no success.</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">Am Mi., 16. Okt. 2019 um
11:50 Uhr schrieb Stéphane Mottelet <<a
href="mailto:stephane.mottelet@utc.fr"
moz-do-not-send="true">stephane.mottelet@utc.fr</a>>:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Hello<br>
</p>
<div>Le 16/10/2019 à 11:46, P M a écrit :<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>Dear experts,</div>
<div><br>
</div>
<div>trying to convert a matlab code to scilab I come
across following line:</div>
<div>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(74,85,219)">[~</span><span style="color:rgb(0,0,0)">,~</span><span style="color:rgb(0,0,0)"></span><span style="color:rgb(0,0,0)">,</span><span style="color:rgb(0,0,0)">Minstances_hat</span><span style="color:rgb(74,85,219)">]</span> <span style="color:rgb(92,92,92)">=</span> <span style="color:rgb(0,0,0)">unique</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">B</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(255,170,0)">:</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)">;
</span></pre>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(0,0,0)">How to replace the "~" symbol?
</span></pre>
</div>
</div>
</blockquote>
<p>by dummy names, e.g.</p>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(74,85,219)">[ans</span><span style="color:rgb(0,0,0)">,</span><span style="color:rgb(0,0,0)"></span><span style="color:rgb(0,0,0)">ans,</span><span style="color:rgb(0,0,0)">Minstances_hat</span><span style="color:rgb(74,85,219)">]</span> <span style="color:rgb(92,92,92)">=</span> <span style="color:rgb(0,0,0)">unique</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(0,0,0)">B</span><span style="color:rgb(74,85,219)">(</span><span style="color:rgb(255,170,0)">:</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(74,85,219)">)</span><span style="color:rgb(0,0,0)"></span><span style="color:rgb(0,0,0)">;
There is no equivalent mechanism in Scilab.
</span></pre>
</div>
</blockquote>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<blockquote type="cite">
<div dir="ltr">
<div>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(0,0,0)">B is the blue channel of a RGB image...hence a m x n matrix of integers (type(B) = 8 )
</span></pre>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(0,0,0)">
Thank you,
</span></pre>
<pre style="font-family:Monospaced;font-style:normal"><span style="color:rgb(0,0,0)">Philipp
</span></pre>
</div>
</div>
<br>
<fieldset></fieldset>
<pre>_______________________________________________
users mailing list
<a href="mailto:users@lists.scilab.org" target="_blank" moz-do-not-send="true">users@lists.scilab.org</a>
<a href="https://antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users" target="_blank" moz-do-not-send="true">https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users</a>
</pre>
</blockquote>
<pre cols="72">--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
<a href="https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/www.utc.fr/~mottelet" target="_blank" moz-do-not-send="true">http://www.utc.fr/~mottelet</a>
</pre>
</div>
_______________________________________________<br>
users mailing list<br>
<a href="mailto:users@lists.scilab.org" target="_blank"
moz-do-not-send="true">users@lists.scilab.org</a><br>
<a
href="https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users"
rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.scilab.org/mailman/listinfo/users</a><br>
</blockquote>
</div>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<pre class="moz-quote-pre" wrap="">_______________________________________________
users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:users@lists.scilab.org">users@lists.scilab.org</a>
<a class="moz-txt-link-freetext" href="https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users">https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users</a>
</pre>
</blockquote>
<pre class="moz-signature" cols="72">--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
<a class="moz-txt-link-freetext" href="http://www.utc.fr/~mottelet">http://www.utc.fr/~mottelet</a>
</pre>
</body>
</html>