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Chapter: 8 / Q: 22
(Even number of 1s) Write a program that generates a 6-by-6 two-dimensional matrix filled with 0s and 1s, displays the matrix, and checks if every row and every column have an even number of 1s
Chapter: 8 / Q: 23
(Game: find the flipped cell) Suppose you are given a 6-by-6 matrix filled with 0s and 1s
Chapter: 8 / Q: 24
(Check Sudoku solution) Listing 8.4 checks whether a solution is valid by checking whether every number is valid in the board. Rewrite the program by checking whether every row, every column, and every small box has the numbers 1 to 9
Chapter: 8 / Q: 25
(Markov matrix) An n * n matrix is called a positive Markov matrix if each element is positive and the sum of the elements in each column is 1. Write the following method to check whether a matrix is a Markov matrix
Chapter: 8 / Q: 26
(Row sorting) Implement the following method to sort the rows in a twodimensional array. A new array is returned and the original array is intact
Chapter: 8 / Q: 27
(Column sorting) Implement the following method to sort the columns in a twodimensional array. A new array is returned and the original array is intact
Chapter: 8 / Q: 28
(Strictly identical arrays) The two-dimensional arrays m1 and m2 are strictly identical if their corresponding elements are equal. Write a method that returns true if m1 and m2 are strictly identical, using the following header:
Chapter: 8 / Q: 29
(Identical arrays) The two-dimensional arrays m1 and m2 are identical if they have the same contents. Write a method that returns true if m1 and m2 are identical, using the following header:
Chapter: 8 / Q: 30
(Algebra: solve linear equations) Write a method that solves the following 2 * 2 system of linear equations:
Chapter: 8 / Q: 31
(Geometry: intersecting point) Write a method that returns the intersecting point of two lines. The intersecting point of the two lines can be found by using the formula shown in Programming Exercise 3.25. Assume that (x1, y1) and (x2, y2) are the two points on line 1 and (x3, y3) and (x4, y4) are o
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