Muhammad al-xorazmiy nomidagi tatu

MUHAMMAD AL-XORAZMIY NOMIDAGI TATU
DASTURIY INJINERING FAKULTETI 316-20 GURUH TALABASI
Nurmuhammedov Muhammadali ALGORITMLARNI LOYIHALASH FANIDAN
TOPSHIRGAN 3-AMALIY TOPSHIRIG’I

Variant:18

2021-2022

3-amalish ish

Berilgan jadval asosida raqamli axborotlar uchun Furye koeffisientlari hisoblash.

Dastur Kodi:

#include
#include
using namespace std;
int main() {
double t[21], f[21], y_m[21], a[10], b[10], c[10], T, sum_f = 0, h, v;
cout << "x ga mos qiymatlarni kiriting :\n";
for (int i = 0; i < 21; i++) {
cin >> t[i];
}

cout << "\n\nf ga mos qiymatlarni kiriting :\n";

for (int i = 0; i < 21; i++) {
cin >> f[i];
}
T = t[20];
h = T / 20;

cout << h << endl;

for (int i = 1; i < 20; i++)
sum_f += f[i];

a[0] = 2 * ((f[0] + f[20]) / 2 + sum_f) * h / T;

b[0] = 0;

for (int k = 1; k < 11; k++) {

a[k] = f[0] * sin(k * M_PI * h / T) - f[20] * sin(2 * k * M_PI * (T - (h / 2)) / T);
for (int i = 1; i < 20; i++)
{
v = i * h;
a[k] += f[i] * (sin(2 * M_PI * k * (v + (h / 2)) / T) - sin(2 * M_PI * k * (v - (h / 2)) / T));
}
a[k] /= (M_PI * k);
cout << "a" << k << " = " << a[k] << endl;
}
cout << endl;
for (int k = 1; k < 11; k++) {
b[k] = f[0] * (cos(k * M_PI * h / T) - 1) + f[20] * (1 - cos(2 * k * M_PI * (T - (h / 2)) / T));
for (int i = 1; i < 20; i++)
{
v = i * h;
b[k] += f[i] * (cos(2 * M_PI * k * (v + (h / 2)) / T) - cos(2 * M_PI * k * (v - (h / 2)) / T));
}
b[k] /= (-1 * M_PI * k);
cout << "b" << k << " = " << b[k] << endl;
}
c[0] = 0;
cout << " \n\n";
for (int i = 1;i < 11;i++) {
c[i] = sqrt(a[i] * a[i] + b[i] * b[i]);
cout << "c" << i << " = " << c[i] << endl;
}
// c1 -> max;
double fi = atan(a[1] / b[1]);
cout << "\n\n model qiymatlar va ularning xatoliklari : " << endl;
for (int i = 0; i < 21; i++) {
v = h * i;
y_m[i] = c[1] * sin(2 * M_PI * v / T + fi);
cout << "y" << i << " = " << y_m[i] << " " << abs((f[i] - y_m[i]) / f[i]) * 100 << "%" << endl;
}

}

Dastur Natijasi :