Homework Answers
Explanation: Diagonal index are same for rows and columns so we need to assign 1.
For the values above diagonal row# > col#.
For the values below diagonal row# < col#.
CODE (Python):
def set2DArray(N):
arr = []
for i in range(0, N):
arr.append([])
for j in range(0, N):
arr[i].append(0)
if i == j:
arr[i][j] = 1
elif i < j:
arr[i][j] = i + j
else:
arr[i][j] = i - j
return arr
N = int(input("Enter N: "))
arr = set2DArray(N)
print(arr)
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import java.util.Scanner;
import java.io.*;
public class Lab11
{
public static void main(String args[]) throws IOException {
Scanner inFile = new Scanner(new File(args[0]));
Scanner keyboard = new Scanner(System.in);
TwoDArray array = new TwoDArray(inFile);
inFile.close();
int numRows = array.getNumRows();
int numCols = array.getNumCols();
int choice;
do {
System.out.println();
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array");
System.out.println("\t2. Find the number of columns in the 2D
array");
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This is the contents of Lab11.java
import java.util.Scanner;
import java.io.*;
public class Lab11
{
public static void main(String args[]) throws IOException {
Scanner inFile = new Scanner(new File(args[0]));
Scanner keyboard = new Scanner(System.in);
TwoDArray array = new TwoDArray(inFile);
inFile.close();
int numRows = array.getNumRows();
int numCols = array.getNumCols();
int choice;
do {
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Here is the template
public class ShiftNumbers {
public static void main(String[] args) {
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// TODO: Display matrix
}
/**
* firstRow
*
* This will generate the first row of the matrix, given the size n. The
* elements of this row will be the values from 1 to n
*
* @param size int Desired size of the array
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