Archived
34 lines
801 B
C++
34 lines
801 B
C++
#include <graphics.h>
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#include <math.h>
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void drawGraph() {
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int gd = DETECT, gm;
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initgraph(&gd, &gm, "");
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int x, y;
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int max_x = getmaxx();
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int max_y = getmaxy();
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int origin_x = max_x / 2;
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int origin_y = max_y / 2;
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// Draw axes
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line(0, origin_y, max_x, origin_y); // X-axis
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line(origin_x, 0, origin_x, max_y); // Y-axis
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// Plot the function
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for (x = -origin_x; x <= origin_x; x++) {
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float fx = (float)x / 10; // Scale x for better visibility
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float fy = ((fx + 4) * (fx * fx + 3 * fx + 2)) / (fx + 1);
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y = origin_y - (int)(fy * 10); // Scale y for better visibility
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putpixel(origin_x + x, y, GREEN);
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}
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getch();
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closegraph();
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}
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int main() {
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drawGraph();
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return 0;
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} |