Example

> string1 = "a string"
a string
> StringMatrix = strsplt(string1)
 StringMatrix =
a     s  t  r  i  n  g  
> show(StringMatrix)
   name:      StringMatrix  
   class:     string        
   type:      string        
     nr:      1             
     nc:      8             
> strsplt("")
        []
> show( strsplt(""))
   name:      NULL    
   class:     string  
   type:      string  
     nr:      0       
     nc:      0       
> strsplt(25.5 + 4j)
rlab: strsplt, NULL, wrong type of arg to built-in should be: STRING
> strsplt("25.5 + 4j")
2  5  .  5     +     4  j