matlab 判断cell是否为string 还是number，以及两者的转换

isstr是判断string

isnumeric是判断number

 

number与string之间的转换

http://cn.mathworks.com/help/matlab/ref/str2num.html

http://cn.mathworks.com/help/matlab/ref/str2num.html

 

cellfun函数的应用

http://nf.nci.org.au/facilities/software/Matlab/techdoc/ref/cellfun.html