	ans.U{3} = 
		    0.6365    0.5396
		    0.1703    0.6234
</pre><pre class="codeinput">-X <span class="comment">%&lt;-- Calls uminus.</span>
</pre><pre class="codeoutput">ans is a ttensor of size 3 x 1 x 2
	ans.core is a tensor of size 2 x 2 x 2
		ans.core(:,:,1) = 
	   -0.8167   -0.0174
	   -0.9855   -0.8194
		ans.core(:,:,2) = 
	   -0.6211   -0.2440
	   -0.5602   -0.8220
	ans.U{1} = 
		    0.2632    0.2141
		    0.7536    0.6021
		    0.6596    0.6049
	ans.U{2} = 
		    0.6595    0.1834
	ans.U{3} = 
		  