#include <stdio.h>
#include <math.h>
 
// Параметры функции
#define A 2.5
#define B 0.4
 
// Функция для вычисления значения по условию
double calculate(double t) {
    if (t < -0.1) {
        // Пример для t < -0.1: f(t) = a * t + b
        return A * t + B;
    } else if (t <= 0.5) {
        // Пример для -0.1 <= t <= 0.5: f(t) = a * t^2 - b
        return A * pow(t, 2) - B;
    } else {
        // Пример для t > 0.5: f(t) = a / t + b
        return A / t + B;
    }
}
 
int main() {
    // Диапазон и количество точек
    const double t_start = -1.0;
    const double t_end = 1.0;
    const int N = 50; // Не менее 50 значений
 
    // Шаг между точками
    double step = (t_end - t_start) / (N - 1);
 
    printf("Вычисление значений функции на интервале [-1, 1]\n");
    printf("Параметры: a = %.2f, b = %.2f\n\n", A, B);
    printf("%-10s %-15s\n", "t", "f(t)");
    printf("-----------------------\n");
 
    for (int i = 0; i < N; i++) {
        double t = t_start + i * step;
        double value = calculate(t);
        printf("%-10.4f %-15.6f\n", t, value);
    }
 
    return 0;
}

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