Each variable has a name , and can be a scalar, vector, or matrix quantity. Lines are at most 255 characters long. A comment directive is an exclamation point followed by a blank or a tab.
Any line beginning with a comment directive is ignored.
2.2 Table records Table records contain multiple columns of data. Each column is a single variable. Each data row must contain the same number of elements. The varI specify the variable names. 2.4 Matrix records Matrix records contain a single 2-D variable.