   rows:      3    complex: no        
    cols:      2    type:    Ones      
</pre><p>We see that Spot displays some information about A when we leave off the semicolon, such as its construction, the number of rows and columns, and whether it is complex. We can also use the <a href="matlab:doc('opSpot/double')">double</a> method to construct the underlying matrix:</p><pre class="codeinput">double(A)
</pre><pre class="codeoutput">
ans =

     1     1
     1     1
     1     1

</pre><p>Operators can be eas