I am implementing multi variable linear regression.But after implementation, I plotted hypothesis then it lies apart from training data and it is giving the wrong out put while prediction.So i am giving the code if any one find the problem plz help.

 I am attaching aal the codes as well as figures
for theother sub program which are called in the run.m , please go to the google drive link

</matlabcentral/answers/uploaded_files/45682/untitled3.jpg> https://drive.google.com/open?id=0B9InVdnxokvaTzloWkhEZDhRbmM