Application of Multiple Least Squares in MATLAB

[@kermdncer9981]

I have two mass ; 1. (X1,y) 2. (X2,y)
I want to find y with X1 and X2. For example; y = aX1 + bX2 + n . Is this possible with this your video?

[@Oba16]

Hello, please i am a beginner on Lazarus and computer programming. Please how can i do this?
An application for calculating and drawing least square fits

[@sasikumarkamalanathan8133]

thanks a lot