Number of iterations in minimi : 358 minimum : 262591.468750 chi carre : 7471.18847656 * Value of intencity and coordinates x and y : - Source number: 1 135486.281250 53.503746 79.597885 - Source number: 2 147410.640625 54.525845 59.400105 - Source number: 3 81563.007812 78.389351 75.848083 - Source number: 4 104723.882812 76.066620 51.870384 * Values of z1, z2 delta1 and delta2: 1.000000 0.000000 0.000000 0.000000