This is apparently due to MATLAB breaking after upgrading ncurses to v6.x. The problem has been diagnosed in some detail over in the Arch forums:

https://bbs.archlinux.org/viewtopic.php?id=202575

On Tuesday, October 27, 2015 at 8:08:43 PM UTC+3, Juan RP wrote:

Without more info it's hard to know what's going on.

You can run `gdb` and then dissassemble the faulty instruction.

Or run strace and see where it triggers the segmentation fault.