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lab12task3.c

+#include <stdio.h>
+#include <math.h>
+
+
+void meanPoint(float matrix[5][3], float lenghts[3]);
+void fromPointsToMean(float matrix[5][3], float lenghts[3], float leng[5][3]);
+void Distance(float leng[5][3], float distances[5]);
+float averageDistance(float distances[5]);
+
+int main(){
+	
+	float matrix[5][3] = {
+		{1, 3.1, 21},
+		{2, -3.2, 23},
+		{2.3, 12.8, 2},
+		{2, 1.4, -23},
+		{12, 2, -2.3}
+	};
+	int i, j;
+	float lenghts[3] = {0};
+	float leng[5][3];
+	float distances[5] = {0};
+	float lol;
+	
+	meanPoint(matrix, lenghts);
+	printf("The mean of point of this crap is: " );
+	
+	for(j = 0; j < 3; j++){
+		printf("%f, ", lenghts[j]);
+	}
+	printf("\n");
+	
+	fromPointsToMean(matrix, lenghts, leng);
+	printf("the point from mean:\n");
+	
+	for(i = 0; i < 5; i++){
+		for(j = 0; j < 3; j++){
+			printf("%f, ", leng[i][j]);
+		}
+		printf("\n");
+	}
+	
+	printf("\nThe distaces from mean point to the other point lol:\n");
+	
+	Distance(leng, distances);
+	
+	for(i = 0; i < 5; i++){
+		printf("%f\n", distances[i]);
+	}
+	
+	lol = averageDistance(distances);
+	printf("\nThe average distance is this kek: %f\n", lol);
+	
+	
+	return 0;
+}
+	
+void meanPoint(float matrix[5][3], float lenghts[3]){
+	
+	int i, j;
+	float len[3] = {0};
+	
+	for(j = 0; j < 3; j++){
+		for(i = 0; i < 5; i++){
+			len[j] += matrix[i][j];
+		}
+		lenghts[j] = len[j] / 5;
+	}
+}
+
+void fromPointsToMean(float matrix[5][3], float lenghts[3], float leng[5][3]){
+	
+	int i, j;
+	
+	for(i = 0; i < 5; i++){
+		for(j = 0; j < 3; j++){
+			leng[i][j] = matrix[i][j] - lenghts[j];
+		}
+	}
+}
+
+void Distance(float leng[5][3], float distances[5]){
+	
+	int i, j;
+	int x = 0;
+	float sumOfSquares = 0;
+	
+	for(i = 0; i < 5; i++){
+		for(j = 0; j < 3; j++){
+			sumOfSquares += pow(leng[i][j], 2);
+		}
+		distances[x] = sqrt(sumOfSquares);
+		x++;
+		sumOfSquares = 0;
+	}
+}
+
+float averageDistance(float distances[5]){
+	
+	int i;
+	float someshit;
+	
+	for(i = 0; i < 5; i++){
+		someshit += distances[i];
+	}
+	someshit /= 5;
+	
+	return someshit;
+}
+