/** multiplyMatrix multiplies two matrices and returns the result */ public static double[][] multiplyMatrix(double[][] a, double[][] b) { double[][] c = new double[3][3]; for (int i = 0; i < c.1ength; i++) { for (int j = 0; j < c[i].length; j++) { for (int h = 0; h < c.length; h++) { Set += a[i][h] * b[h][j]; } } } return c; }
/** multiplyMatrix multiplies two matrices and returns the result */ public static double[][] multiplyMatrix(double[][] a, double[][] b) { double[][] c = new double[3][3]; for (int i = 0; i < c.1ength; i++) { for (int j = 0; j < c[i].length; j++) { for (int h = 0; h < c.length; h++) { Set += a[i][h] * b[h][j]; } } } return c; }
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
Related questions
Question
I do not understand this expression. so is c[i][j] += a[i][h] * b[h][j]
mean c[i][j] = a[i][h] * b[h][j] + c[i][j]?? ; We do not know about the + matrix c right?
![1
******:
*****
****
****
**********
2
* (Algebra: multiply two matrices) Write a method to multiply two matrices. The
3
* header of the method is:
*
4
*
* public static double[][] multiplyMatrix(double[][] a, double[][] b)
5
*
6.
*
*
7
* To multiply matrix a by matrix b, the number of columns in a must be the same
8
as the number of rows in b, and the two matrices must have elements of the same*
9.
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 + ...
10
*
11
+ ain * bnj.
12
*
* Write a test program that prompts the user to enter two 3 * 3 matrices and
13
*
14
* displays their product.
15
*****
k**** /
LO](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e691e7d-3aa6-4d87-8ff6-0afc8b27fff3%2F8e29b479-4471-45cf-af3a-31182e38c3da%2Ftc16bvp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1
******:
*****
****
****
**********
2
* (Algebra: multiply two matrices) Write a method to multiply two matrices. The
3
* header of the method is:
*
4
*
* public static double[][] multiplyMatrix(double[][] a, double[][] b)
5
*
6.
*
*
7
* To multiply matrix a by matrix b, the number of columns in a must be the same
8
as the number of rows in b, and the two matrices must have elements of the same*
9.
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 + ...
10
*
11
+ ain * bnj.
12
*
* Write a test program that prompts the user to enter two 3 * 3 matrices and
13
*
14
* displays their product.
15
*****
k**** /
LO
![/ ** multiplyMatrix multiplies two matrices and returns the result */
public static double[][] multiplyMatrix(double[][] a, double[][] b) {
double[][] c = new double[3][3];
0; i < c.length; i++) {
for (int j = 0; j < c[i].length; j++) {
for (int i
%3D
for (int h =
0; h < c.length; h++) {
C[1][J] += a[i][h] * b[h][j];
}
}
}
return c;
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e691e7d-3aa6-4d87-8ff6-0afc8b27fff3%2F8e29b479-4471-45cf-af3a-31182e38c3da%2Fqmqhy1a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:/ ** multiplyMatrix multiplies two matrices and returns the result */
public static double[][] multiplyMatrix(double[][] a, double[][] b) {
double[][] c = new double[3][3];
0; i < c.length; i++) {
for (int j = 0; j < c[i].length; j++) {
for (int i
%3D
for (int h =
0; h < c.length; h++) {
C[1][J] += a[i][h] * b[h][j];
}
}
}
return c;
}
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