How to add two images in one, next to each other

Hello, I have two splited images from diference matlab files. Now i need to merge them, near to each other. I tried supblot, imadd,cat methods, but nothing works. Please help me.

Result after sublot experiment:

Answer 1

[Thomas Koelen]

Try using montage:

http://nl.mathworks.com/help/images/ref/montage.html

Answer 2

[Stefan Grandl]

I know, the question is some months old, but anyway:

Try to use imshowpair with argument 'montage' (see this question How can I display two images at once?). You will need the Image Processing Toolbox for it.

Otherwise try a solution proposed in the link.