📄 pgm04_09.txt
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//// This file contains the C# code from Program 4.9 of// "Data Structures and Algorithms// with Object-Oriented Design Patterns in C#"// by Bruno R. Preiss.//// Copyright (c) 2001--2002 by Bruno R. Preiss, P.Eng. All rights reserved.//// http://www.brpreiss.com/books/opus6/programs/pgm04_09.txt//public abstract class Matrix{ public abstract double this[int i, int j] { get; set; } public abstract int Rows { get; } public abstract int Columns { get; } public abstract Matrix Transpose { get; } public abstract Matrix Plus(Matrix matrix); public abstract Matrix Times(Matrix matrix); public static Matrix operator +(Matrix m1, Matrix m2) { return m1.Plus(m2); } public static Matrix operator *(Matrix m1, Matrix m2) { return m1.Times(m2); } // ...}
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