Matrix Programs

Author: sathishmepco

InterviewPrograms/src/com/java/matrix/IdentityMatrix.java

@@ -2,7 +2,7 @@
 
 /*
  * Identity Matrix
- * 
+ * ----------------
  * If a matrix is a Identity matrix then it should 
  * follow all the conditions
  * 1. It should be square matrix row == column
@@ -13,6 +13,7 @@
  * then the matrix is not Identity Matrix.
  * 
  * Examples of Identity matrix
+ * ----------------------------
  * 1 0 0 
  * 0 1 0
  * 0 0 1
@@ -23,6 +24,7 @@
  * 0 0 0 1
  * 
  * NOT Identity matrix
+ * --------------------
  * 1 2
  * 3 4
  * 

InterviewPrograms/src/com/java/matrix/LowerTriangularMatrix.java

@@ -2,6 +2,7 @@
 
 /*
  * Print the Lower Triangular Matrix of Given Matrix
+ * -------------------------------------------------
  * 
  * say Given Matrix is 
  * 1 1 1

InterviewPrograms/src/com/java/matrix/MatrixAddition.java

@@ -2,7 +2,7 @@
 
 /*
  * Add Two Matrix
- * 
+ * ---------------
  * Addition is possible only when both A & B
  * matrices should have same dimensions, that is
  * both matrix should have same number of rows

InterviewPrograms/src/com/java/matrix/MatrixInSpiralForm.java

@@ -2,7 +2,7 @@
 
 /*
  * Print the Matrix in the Spiral Form
- * 
+ * ------------------------------------
  * say given matrix is 
  * 1	2	3
  * 4	5	6

InterviewPrograms/src/com/java/matrix/MatrixMultiplication.java

@@ -2,7 +2,7 @@
 
 /*
  * Multiply Two Matrices
- * 
+ * ----------------------
  * Matrix multiplication is possible only when
  * number of columns of first matrix equals to 
  * number of rows of second matrix.

InterviewPrograms/src/com/java/matrix/MatrixSubtraction.java

@@ -1,7 +1,7 @@
 package com.java.matrix;
 /*
  * Subtract Two Matrices
- * 
+ * ---------------------
  * Subtraction is possible only when both A & B
  * matrices should have same dimensions, that is
  * both matrix should have same number of rows

InterviewPrograms/src/com/java/matrix/MatrixTranspose.java

@@ -2,6 +2,7 @@
 
 /*
  * Transpose of Matrix
+ * --------------------
  * It is simply a flipped version of original matrix.
  * Rows are the columns of original matrix
  * Columns are the rows of the original matrix

InterviewPrograms/src/com/java/matrix/RowSumColumnSum.java

@@ -1,8 +1,8 @@
 package com.java.matrix;
 
 /*
- * 	Print each Row Sum & each Column Sum
- * 
+ * Print each Row Sum & each Column Sum
+ * -------------------------------------
  * Traverse each row and calculate the sum of all
  * elements of the row then print it.
  * 

InterviewPrograms/src/com/java/matrix/SparseMatrix.java

@@ -2,7 +2,7 @@
 
 /*
  * Sparse Matrix
- * 
+ * --------------
  * First count the number of zero elements in the matrix. 
  * Then calculate the size of the matrix (row*column).
  * 

InterviewPrograms/src/com/java/matrix/UpperTriangularMatrix.java

@@ -1,7 +1,7 @@
 package com.java.matrix;
 /*
- *	Print the Upper Triangular Matrix of Given Matrix
- *	
+ * Print the Upper Triangular Matrix of Given Matrix
+ * -------------------------------------------------
  * say Given Matrix is 
  * 1 1 1
  * 2 2 2