Object Reference : Object View and Procedure Reference : Matrix
  
 
clearhist
Clear the contents of the history attribute for matrix objects.
Removes the matrix’s history attribute, as shown in the label view of the matrix.
Syntax
matrix_name.clearhist
Examples
m1.clearhist
m1.label
The first line removes the history from the matrix M1, and the second line displays the label view of M1, including the now blank history field.
Cross-references
See “Labeling Objects” for a discussion of labels and display names.
See also Matrix::label.