scilab/modules/m2sci/help/en_US/m2sci_equivalents/i/isa.xml

   1 <?xml version="1.0" encoding="UTF-8"?>
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  16 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="m2sci_isa">
  17     <refnamediv>
  18         <refname>isa (Matlab function)</refname>
  19         <refpurpose>Detect an object of a given type</refpurpose>
  20     </refnamediv>
  21     <refsection>
  22         <title>Matlab/Scilab equivalent</title>
  23         <para>
  24             There is no equivalent function for Matlab <emphasis role="strong">isa</emphasis>
  25             function in Scilab but it can be replaced by equivalent syntaxes as shown is examples.
  26         </para>
  27         <table>
  28             <caption/>
  29             <tbody>
  30                 <tr>
  31                     <td>
  32                         <para>
  33                             <emphasis role="strong">Equivalence table</emphasis>
  34                         </para>
  35                     </td>
  36                 </tr>
  37                 <tr>
  38                     <td>
  39                         <para> Matlab </para>
  40                     </td>
  41                     <td>
  42                         <para> Scilab </para>
  43                     </td>
  44                 </tr>
  45                 <tr>
  46                     <td>
  47                         <para> a = isa(x,"logical") </para>
  48                     </td>
  49                     <td>
  50                         <para>a = type(x)==4; </para>
  51                     </td>
  52                 </tr>
  53                 <tr>
  54                     <td>
  55                         <para> b = isa(x,"char") </para>
  56                     </td>
  57                     <td>
  58                         <para>b = type(x)==10; </para>
  59                     </td>
  60                 </tr>
  61                 <tr>
  62                     <td>
  63                         <para> c = isa(x,"numeric") </para>
  64                     </td>
  65                     <td>
  66                         <para>c = or(type(x)==[1,5,8]); </para>
  67                     </td>
  68                 </tr>
  69                 <tr>
  70                     <td>
  71                         <para> d = isa(x,"int8") </para>
  72                     </td>
  73                     <td>
  74                         <para>d = typeof(x)=='int8'; </para>
  75                     </td>
  76                 </tr>
  77                 <tr>
  78                     <td>
  79                         <para> e = isa(x,"uint8") </para>
  80                     </td>
  81                     <td>
  82                         <para>e = typeof(x)=='uint8'; </para>
  83                     </td>
  84                 </tr>
  85                 <tr>
  86                     <td>
  87                         <para> f = isa(x,"int16") </para>
  88                     </td>
  89                     <td>
  90                         <para>f = typeof(x)=="int16"; </para>
  91                     </td>
  92                 </tr>
  93                 <tr>
  94                     <td>
  95                         <para> g = isa(x,"uint16") </para>
  96                     </td>
  97                     <td>
  98                         <para>g = typeof(x)=="uint16"; </para>
  99                     </td>
 100                 </tr>
 101                 <tr>
 102                     <td>
 103                         <para> h = isa(x,"int32") </para>
 104                     </td>
 105                     <td>
 106                         <para>h = typeof(x)=="int32"; </para>
 107                     </td>
 108                 </tr>
 109                 <tr>
 110                     <td>
 111                         <para> k = isa(x,"uint32") </para>
 112                     </td>
 113                     <td>
 114                         <para>k = typeof(x)=="uint32"; </para>
 115                     </td>
 116                 </tr>
 117                 <tr>
 118                     <td>
 119                         <para> l = isa(x,"single") </para>
 120                     </td>
 121                     <td>
 122                         <para>l = type(x)==1; </para>
 123                     </td>
 124                 </tr>
 125                 <tr>
 126                     <td>
 127                         <para> m = isa(x,"double") </para>
 128                     </td>
 129                     <td>
 130                         <para>m = type(x)==1; </para>
 131                     </td>
 132                 </tr>
 133                 <tr>
 134                     <td>
 135                         <para> n = isa(x,"cell") </para>
 136                     </td>
 137                     <td>
 138                         <para>n = typeof(x)=="ce"; </para>
 139                     </td>
 140                 </tr>
 141                 <tr>
 142                     <td>
 143                         <para> o = isa(x,"struct") </para>
 144                     </td>
 145                     <td>
 146                         <para>o = typeof(x)=="st"; </para>
 147                     </td>
 148                 </tr>
 149                 <tr>
 150                     <td>
 151                         <para> p = isa(x,"function_handle") </para>
 152                     </td>
 153                     <td>
 154                         <para>p = type(x)==13; </para>
 155                     </td>
 156                 </tr>
 157                 <tr>
 158                     <td>
 159                         <para> q = isa(x,"sparse") </para>
 160                     </td>
 161                     <td>
 162                         <para>q = type(x)==5; </para>
 163                     </td>
 164                 </tr>
 165                 <tr>
 166                     <td>
 167                         <para> r = isa(x,"lti") </para>
 168                     </td>
 169                     <td>
 170                         <para>r = typeof(x)=="state-space"; </para>
 171                     </td>
 172                 </tr>
 173             </tbody>
 174         </table>
 175     </refsection>
 176 </refentry>