My favorite tutorial is located here:<p><a href="http:&#x2F;&#x2F;www.ai-junkie.com&#x2F;ann&#x2F;evolved&#x2F;nnt1.html" rel="nofollow">http:&#x2F;&#x2F;www.ai-junkie.com&#x2F;ann&#x2F;evolved&#x2F;nnt1.html</a><p>It&#x27;s easy to follow and not too theoretical. It&#x27;s really down to earth and code&#x2F;algorithm focused.