Installing Matlab on ubuntu/linux the easiest way (without commands )

1> Download the matlab from matlab site / if you already have the software place it wherever you want to ...

2>  Suppose you placed it in X folder

3> open Terminal ... go to that location .. let's say the you placed Matlab on desktop  go to desktop by

cd Desktop

now you are in desktop type folder name of matlab let's say it matlab2016b type 
cd matlab2016b

now if you will type ls  it will show all the files inside it there would be install file ...
before going into that 

4> minimize the terminal and open your matlab folder let's say it is matlab2016b . after opening there would be install file . right click on it and then properties and then there would be permission click on permission and click on the checkbox of make program executable . 

5> open the folder bin and then glnxa64 and then there would be a file install_unix . right click on it and then properties and then there would be permission click on permission and click on the checkbox of make program executable .like above 

6>come back to matlab2016b (your folder )  click on it and  then sys then java then jre then glnxa64 then jre then bin then you will find a java file .right click on it and then properties and then there would be permission click on permission and click on the checkbox of make program executable .like above 

7> open the terminal which you have minimised i step 3 type ./install

now follow the instructions matlab screen will open