Added double gate transfer function.
Added double gate transfer function.

RatulGhosh/pybrain,Adai0808/pybrain,tmeits/pybrain,ii0/pybrain,arabenjamin/pybrain,luigift/pybrain,newemailjdm/pybrain,fxsjy/pybrain,jlegendary/pybrain,garyfeng/pybrain,styskin/pybrain,fxsjy/pybrain,CVML/pybrain,Neural-Network/TicTacToe,styskin/pybrain,arabenjamin/pybrain,zygmuntz/pybrain,RafaelCosman/pybrain,CVML/pybrain,fxsjy/pybrain,comepradz/pybrain,Adai0808/pybrain,fxsjy/pybrain,CVML/pybrain,taylorhxu/pybrain,zygmuntz/pybrain,jackru/pybrain,pybrain/pybrain,ii0/pybrain,RafaelCosman/pybrain,zygmuntz/pybrain,daanwierstra/pybrain,yonglehou/pybrain,luigift/pybrain,RafaelCosman/pybrain,garyfeng/pybrain,Neural-Network/TicTacToe,cmorgan/pybrain,garyfeng/pybrain,ii0/pybrain,arabenjamin/pybrain,cmorgan/pybrain,jackru/pybrain,chanderbgoel/pybrain,sepehr125/pybrain,sepehr125/pybrain,taylorhxu/pybrain,tmeits/pybrain,daanwierstra/pybrain,styskin/pybrain,pybrain/pybrain,RatulGhosh/pybrain,pybrain2/pybrain2,Ryanglambert/pybrain,Ryanglambert/pybrain,comepradz/pybrain,pybrain2/pybrain2,newemailjdm/pybrain,jackru/pybrain,chanderbgoel/pybrain,cmorgan/pybrain,comepradz/pybrain,blueburningcoder/pybrain,chanderbgoel/pybrain,zygmuntz/pybrain,samstern/MSc-Project,pybrain/pybrain,newemailjdm/pybrain,pybrain2/pybrain2,yonglehou/pybrain,luigift/pybrain,RatulGhosh/pybrain,Ryanglambert/pybrain,blueburningcoder/pybrain,yonglehou/pybrain,sepehr125/pybrain,daanwierstra/pybrain,blueburningcoder/pybrain,tmeits/pybrain,jlegendary/pybrain,jlegendary/pybrain,fxsjy/pybrain,Neural-Network/TicTacToe,taylorhxu/pybrain,Adai0808/pybrain