(Algebra: multiply two matrices) Write a method to multiply two matrices. The header of the method is: public static double[][] multiplyMatrix(double[][] a, double[][] b) To multiply matrix a by matrix b, the number of columns in a must be the same as the number of rows in b, and the two matrices must have elements of the same or compatible types. Let c be the result of the multiplication. Assume the column size of matrix a is n. Each element cij is ai1 × b1j + ai2 × b2j + g + ain × bnj. For example, for two 3 × 3 matrices a and b, c is where cij = ai1 * b1j + ai2 * b2j + ai3 * b3j . Write a test program that prompts the user to enter two 3 * 3 matrices and displays their product. Here is a sample run: Ps: pls do the same header and the output is the same on the picture thanks Write a test program that prompts the user to enter two 3 * 3 matrices anddisplays their product. Here is a sample run:Enter matrix1: 1 2 3 4 5 6 7 8 9 -EnterEnter matrix2: 0 2 4 1 4.5 2.2 1.1 4.3 5.2 -temterThe multiplication of the matrices is1 2 30 2.0 4.05.3 23.9 2445 61 4.5 2.211.6 56.3 58.27 8 91.1 4.3 5.217.9 88.7 92.4 12. (Algebra: multiply two matrices) Write a method to multiply two matrices. Theheader of the method is:public static double]|0 multiplyMatrix(double[]] a, doubleſ]| b)To multiply matrix a by matrix b, the number of columns in a must be the sameas the number of rows in b, and the two matrices must have elements of thesame or compatible types. Let c be the result of the multiplication. Assume thecolumn size of matrix a is n. Each element cij is ai1 x b1j+ ai2 x b2j + g + ain xbnj. For example, for two 3 x 3 matrices a and b, c isC13b12 b13b21 b2 b23Xb32b31С12a12a13C21С22C23a21A22a23b33C31C32C3,A32A33,where cij = ai1 * b1j + ai2 * b2j + ai3 * b3j .

Programming approach: Two-dimensional arrays are used to input 2 matrices and store the product of…

Answered: public static double[][]…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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(Algebra: multiply two matrices) Write a method to multiply two matrices. The header of the method is:

public static double[][] multiplyMatrix(double[][] a, double[][] b)

To multiply matrix a by matrix b, the number of columns in a must be the same as the number of rows in b, and the two matrices must have elements of the same or compatible types. Let c be the result of the multiplication. Assume the column size of matrix a is n. Each element cij is ai1 × b1j + ai2 × b2j + g + ain × bnj. For example, for two 3 × 3 matrices a and b, c is

where cij = ai1 * b1j + ai2 * b2j + ai3 * b3j .

Write a test program that prompts the user to enter two 3 * 3 matrices and displays their product. Here is a sample run:

Ps: pls do the same header and the output is the same on the picture thanks

12. (Algebra: multiply two matrices) Write a method to multiply two matrices. The
header of the method is:
public static double]|0 multiplyMatrix(double[]] a, doubleſ]| b)
To multiply matrix a by matrix b, the number of columns in a must be the same
as the number of rows in b, and the two matrices must have elements of the
same or compatible types. Let c be the result of the multiplication. Assume the
column size of matrix a is n. Each element cij is ai1 x b1j+ ai2 x b2j + g + ain x
bnj. For example, for two 3 x 3 matrices a and b, c is
C13
b12 b13
b21 b2 b23
X
b32
b31
С12
a12
a13
C21
С22
C23
a21
A22
a23
b33
C31
C32
C3,
A32
A33,
where cij = ai1 * b1j + ai2 * b2j + ai3 * b3j .

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