#include <stdio.h>

int main()
{
    double (*phi)[5];

    phi = (double[][5]) { { 11, 12, 13, 14, 15 },
                          { 21, 22, 23, 24, 25 } };

    printf("%f\n", phi[0][2]);
    printf("%f\n", phi[1][2]);

    phi = (double[][5]) { { 111, 122, 133, 144, 155 },
                          { 211, 222, 233, 244, 255 } };

    printf("%f\n", phi[0][2]);
    printf("%f\n", phi[1][2]);

    return 0;
}