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- #include <stdio.h>
- #include <math.h>
- //ln x - x>0
- //(pow(x, 3)-cos(x))/((x-0.2)*log(x))
- int main()
- {
- int i, n;
- float a, b, nevezo, ln, deltax, x, y;
- printf("Adja meg a kezdo erteket!: ");
- scanf_s("%f", &a);
- printf("Adja meg a felso erteket!: ");
- scanf_s("%f", &b);
- printf("Adja meg,hany reszre osszuk az intv-t!: ");
- scanf_s("%d", &n);
- if (a > b) //felso-also -> also-felso
- {
- x = a;
- a = b;
- b = x;
- printf("\nAlsot es a felsot megcsereltem.");
- }
- deltax = (b - a) / n;
- printf("\n");
- printf("\nx y");
- for (i = 0; i <= n; i++)
- {
- x = a + i * deltax;
- if (x < 0)
- {
- printf("\nln-ben nem lehet 0-nal kisebb szam");
- }
- else
- {
- nevezo = (x - 0.2) * log(x);
- if (nevezo == 0)
- {
- printf("\nA neveztoben nem lehet 0!");
- }
- else
- {
- y = (pow(x, 3) - cos(x)) / nevezo;
- printf("\n%.2f -> %.2f", x, y);
- }
- }
- }
- return 0;
- }
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