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This interface defines a minimal set of operations that a matrix must implement. This interface is used by the Smawk class to provide a general services regardless of how the matrix is actually stored.
Smawk| Method Summary | |
|  int | numColumns()Returns the number of columns that this matrix has. | 
|  int | numRows()Returns the number of rows that this matrix has. | 
|  int | valueAt(int row,
               int col)Returns the value at an specified row and column. | 
| Method Detail | 
public int valueAt(int row,
                   int col)
row - row number of element to be retrievedcol - column number of element to be retrieved
row column colpublic int numRows()
public int numColumns()
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