is - number of the current integration step x1 - dimensionless polytropic radius x2 - dimensionless polytropic mass x3 - dimensionless polytropic "temperature" is x1 x2 x3 100 1.0000 0.2873 0.8452 200 2.0000 1.4913 0.4959 300 3.0000 2.5583 0.1589 -364 3.6512 2.7141 0.0010 polytropic index: n = 1.5000 -364 3.6561 2.7141 0.0000 polytropic index: n = 1.5000 is x1 x2 x3 1000 1.0000 0.2873 0.8452 2000 2.0000 1.4913 0.4959 3000 3.0000 2.5583 0.1589 -3648 3.6492 2.7141 0.0010 polytropic index: n = 1.5000 -3648 3.6541 2.7141 0.0000 polytropic index: n = 1.5000 is x1 x2 x3 10000 1.0000 0.2873 0.8452 20000 2.0000 1.4913 0.4959 30000 3.0000 2.5583 0.1589 -36488 3.6490 2.7141 0.0010 polytropic index: n = 1.5000 -36488 3.6539 2.7141 0.0000 polytropic index: n = 1.5000