eomday
eomday(Y,M) returns the last day of the year Y and month M.
Examples
>> eomday(2015,2)# 28
>> eomday([2015; 2016; 2017],2)# 28 29 28
>> eomday(2016,1:3)# 31 29 31
>> eomday(2015,2)# 28
>> eomday([2015; 2016; 2017],2)# 28 29 28
>> eomday(2016,1:3)# 31 29 31