Homework7-3

# Homework7-3 - Homework#7 Program Hw7_3 Written by Justin...

This preview shows pages 1–4. Sign up to view the full content.

Homework #7 /* * Program Hw7_3 * Written by Justin Waters * inputs: none * Outputs: Matrix * Description: The program takes two 3X3 matrices and multiplies them together to get a new single 3X3 matrix * */ #include <stdio.h> #include <stdlib.h> #include <math.h> //prototypes void multiplier(const double x[][3], const double y[][3], double z[][3]); void explain(void); int main (void) { FILE *fpin1, *fpin2; //declares file pointers double x[3][3], y[3][3], z[3][3]; int a, b,i,j; explain(); //calls explain function fpin1 = fopen("xmatrix.txt", "r"); //opens file for x matrix //checks for file opening if(fpin1 == NULL) { printf("\n\nFile does not exist so you cannot proceed"); exit(1); } fpin2 = fopen("ymatrix.txt", "r"); //opens file for y matrix //checks for file opening if(fpin2 == NULL) { printf("\n\nFile does not exist so you cannot proceed"); exit(1);

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
} //imports values from file of x matrix (loop) for(a = 0; a < 3; a++) { for(b = 0; b < 3; b++) { fscanf(fpin1,"%lf", &x[a][b]); } } //imports values from file of y matrix (loop) for(a = 0; a < 3; a++) { for(b = 0; b < 3; b++) { fscanf(fpin2,"%lf", &y[a][b]); } } //prints x matrix to screen printf("\n\nHere is the x matrix\n\n"); for(a=0;a<3;a++) { for(b=0;b<3;b++)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern