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Lab4/Task1.c

+#include <stdio.h>
+
+#include <string.h>
+
+int main()
+{
+    float orthogonalMatrix[6][6];
+    float initialVector[6] = {
+        0.3,
+        0.4,
+        -2,
+        -4.4,
+        2.2,
+        3};
+    float sumOfSquares;
+    memcpy(orthogonalMatrix[0], initialVector, 6 * sizeof(float));
+    for (int i = 1; i < 6; i++)
+    {
+        sumOfSquares = 0;
+        if (initialVector[i] == 0)
+        {
+            orthogonalMatrix[i][i - 1] = 1;
+        }
+        for (int j = i; j < 6; j++)
+        {
+            sumOfSquares += initialVector[j] * initialVector[j];
+        }
+        if (sumOfSquares == 0)
+        {
+            for (int j = i; j < 6; j++)
+            {
+                orthogonalMatrix[j][j] = 1;
+            }
+        }
+        initialVector[i - 1] = -1 * sumOfSquares / initialVector[i - 1];
+        memcpy(orthogonalMatrix[i], initialVector, 6 * sizeof(float));
+        initialVector[i - 1] = 0;
+    }
+    for (int i = 0; i < 6; i++)
+    {
+        for (int j = 0; j < 6; j++)
+        {
+            printf("%f,", orthogonalMatrix[i][j]);
+        }
+        printf("\n");
+    }
+    return 0;
+}