(a)
28 |
90 | -22 | -62 | -81 | 98 |
12 | -9 | 14 | 17 | 6 | -14 |
7 | -15 | -5 | 4 | 21 | -14 |
(b)
A-1=
1 | 3 | 3 |
1 | 4 | 3 |
1 | 3 | 4 |
Now after multiplying the obtained matrix in (a) by A-1:
We get the original matrix.
(c)
A-1B=
4 | 20 | 18 |
15 | 23 | 18 |
14 | 15 | 25 |
The message is:
DONTWORRY
Activity 15 - Matrices, Sequences and Conics Math 180 Task 6: Matrices and Cryptography messages. Using the followi...
Matrices are used to encode and decode encrypted 6: Matrices and Cryptography messages. Using the following code, Task KİLİMİN | SPACE |-Z --T-T-u一ㄒㄧˇ-ㄒㄧ-w-ㄒㄧㄨㄧㄧㄧㄚ s116 17 18 19 20 21 22 23 24 25 26 The sentence MATRICES ARE FUN becomes: FİUİN AİRİE 0161211 14 9L3151 1910|111813 a. To encode the message, multiply by an invertible matrix A. Write the coded message in a 3x6 matrix, adding 0's for blanks. Calculate the product using a graphing calculator. [7-3-31「13 18 5 1...
1. (4 pts)Let The message shown on the next page was encoded with matrix B. You need to decode the message with the aid of your graphing calculator since matrix B is a large matrix, no row operations should be done for this problem. Follow these steps: enter two appropriate matrices in your calculator, you need to determine which ones, explain which ones you used » find the inverse matrix of B multiply two appropriate matrices, you need to determine...
You are wanting to communicate secret messages with your friend, and you choose to do this with matrices. The encoding matrix that you choose to use is 2 -2 -1 6 You use the following key to convert your message into a string of numbers, where "O" is used as a placeholder where required. A B C D EF G H IJ K L M 10 2 11 24 19 5 25 20 3 7 16 6 14 N O...
Please show all work in the space provided for credit. 1.) The function D(h) 10e can be used to find the number of milligrams D of a certain a. How many milligrams will be present after 2 hours? b. When the number of milligrams reaches 1, the drug is to be administered again. drug that is in a patient's bloodstream h hours after the drug has been administered Round your answer to one decimal place. After how many hours will...
Question 1: a) Encode the following data using the JPEG run length encoding: 67 19 6 4 8 2 0 0 0 5 0 2 3 0 0 6 2 2 0 4 0 0 1 0 0 0 0 0 0 0 0 0 0 b) Decode the following sequence, which has been encoded by the same run length encoding described in part (a): 27 0 12 0 14 0 5 0 19 0 13 0 9 0 8...
Write a c++ program: Many mathematical problems require the addition, subtraction, and multiplication of two matrices. Write an ADT Matrix. You may use the following class definition: const int MAX_ROWS = 10; const int MAX_COLS = 10; class MatrixType { public: MatrixType(); void MakeEmpty(); void SetSize(int rowsSize, int colSize); void StoreItem(int item, int row, int col); void Add(MatrixType otherOperand, MatrixType& result); void Sub(MatrixType otherOperand, MatrixType& result); void Mult(MatrixType otherOperand, MatrixType& result); void Print(ofstream& outfile); bool AddSubCompatible(MatrixType otherOperand); bool MultCompatible(MatrixType otherOperand);...
Please write in the answer clear. Will leave like if its correct . Age Gen Sibs Work Exercise Units Mom 18 M 1 20 10 15 6 17 F 3 0 7 15 14 23 M 3 20 5 13 8 20 M 2 0 5 15 16 18 F 4 22 6 16 9 20 F 2 11 7 20 20 34 F 1 48 10 10 18 22 F 3 37 13 13 18 19 M 3 0...
Please write answers clear. Will leave like if its correct. Age Gen Sibs Work Exercise Units Mom 18 M 1 20 10 15 6 17 F 3 0 7 15 14 23 M 3 20 5 13 8 20 M 2 0 5 15 16 18 F 4 22 6 16 9 20 F 2 11 7 20 20 34 F 1 48 10 10 18 22 F 3 37 13 13 18 19 M 3 0 18 14 18...
Please write answers clear. I will leave like if its correct. Age Gen Sibs Work Exercise Units Mom 18 M 1 20 10 15 6 17 F 3 0 7 15 14 23 M 3 20 5 13 8 20 M 2 0 5 15 16 18 F 4 22 6 16 9 20 F 2 11 7 20 20 34 F 1 48 10 10 18 22 F 3 37 13 13 18 19 M 3 0 18 14...
Line number 9 contains the code line that declares the result array ( asked in another question of this exam). On Line number 11 where col_ contains the correct statement ( asked in another question of this exam) Question: Write the codeline (single line) to compute the matrix multiplication of "frstMatrix" and "scndMatrix". For this question you will write a code line for line number 17 1 package ok4; 2 //This java program multiplies two matrices 3 //represented with two...