{"coeffs": [4.274663786266465e-07, 0.019991519942301736, 1.668917779836558, 0.1391722768924461], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.7215294489765458e-06, 270.3871143669899, 1900.7097324570732, 0.5334897466152573], "covariance": [[7.406722541646581e-12, -0.0004970691065082631, -0.0034958494004904274, -1.1595971548661508e-06], [-0.0004970691065212464, 73109.19161570769, 513927.32074411877, 138.4001415293714], [-0.0034958494005747683, 513927.3207441078, 3612697.487057039, 973.0728407508714], [-1.159597154882812e-06, 138.4001415279911, 973.07284074121, 0.28461130974361143]]}