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formatting source-code for d7af6fdc8c

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2020-05-29 23:26:30 +00:00
parent edb3d51ec2
commit 7ad1f171c1
176 changed files with 5342 additions and 4288 deletions
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33
computer_oriented_statistical_methods/gaussian_elimination.cpp
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@@ -6,7 +6,8 @@
#include <iostream>
/** Main function */
int main() {
int main()
{
int mat_size, i, j, step;
std::cout << "Matrix size: ";
@@ -14,7 +15,8 @@ int main() {
// create a 2D matrix by dynamic memory allocation
double **mat = new double *[mat_size + 1], **x = new double *[mat_size];
for (i = 0; i <= mat_size; i++) {
for (i = 0; i <= mat_size; i++)
{
mat[i] = new double[mat_size + 1];
if (i < mat_size)
x[i] = new double[mat_size + 1];
@@ -22,16 +24,20 @@ int main() {
// get the matrix elements from user
std::cout << std::endl << "Enter value of the matrix: " << std::endl;
for (i = 0; i < mat_size; i++) {
for (j = 0; j <= mat_size; j++) {
for (i = 0; i < mat_size; i++)
{
for (j = 0; j <= mat_size; j++)
{
std::cin >>
mat[i][j]; // Enter (mat_size*mat_size) value of the matrix.
}
}
// perform Gaussian elimination
for (step = 0; step < mat_size - 1; step++) {
for (i = step; i < mat_size - 1; i++) {
for (step = 0; step < mat_size - 1; step++)
{
for (i = step; i < mat_size - 1; i++)
{
double a = (mat[i + 1][step] / mat[step][step]);
for (j = step; j <= mat_size; j++)
@@ -41,8 +47,10 @@ int main() {
std::cout << std::endl
<< "Matrix using Gaussian Elimination method: " << std::endl;
for (i = 0; i < mat_size; i++) {
for (j = 0; j <= mat_size; j++) {
for (i = 0; i < mat_size; i++)
{
for (j = 0; j <= mat_size; j++)
{
x[i][j] = mat[i][j];
std::cout << mat[i][j] << " ";
}
@@ -50,9 +58,11 @@ int main() {
}
std::cout << std::endl
<< "Value of the Gaussian Elimination method: " << std::endl;
for (i = mat_size - 1; i >= 0; i--) {
for (i = mat_size - 1; i >= 0; i--)
{
double sum = 0;
for (j = mat_size - 1; j > i; j--) {
for (j = mat_size - 1; j > i; j--)
{
x[i][j] = x[j][j] * x[i][j];
sum = x[i][j] + sum;
}
@@ -64,7 +74,8 @@ int main() {
std::cout << "x" << i << "= " << x[i][i] << std::endl;
}
for (i = 0; i <= mat_size; i++) {
for (i = 0; i <= mat_size; i++)
{
delete[] mat[i];
if (i < mat_size)
delete[] x[i];