np.array([-0.9, -0.7, -0.5, -0.3, -0.1,  0.1,  0.3,  0.5,  0.7,  0.9])
np.array([-3.55200561, -6.17501203, -6.00921438, -4.22701826, -3.60646692, -3.75122145, -2.5525858 , -3.83215825, -2.09191732,  0.1276667 ])
np.array([ 1.02673707,  1.18920705,  0.89734237,  0.53009082,  1.14674793,  0.61085553,  0.89375383,  1.01752394,  0.98224307,  1.15167366])
np.array([-0.9       , -0.88181818, -0.86363636, -0.84545455, -0.82727273, -0.80909091, -0.79090909, -0.77272727, -0.75454545, -0.73636364, -0.71818182, -0.7       , -0.68181818, -0.66363636, -0.64545455, -0.62727273, -0.60909091, -0.59090909, -0.57272727, -0.55454545, -0.53636364, -0.51818182, -0.5       , -0.48181818, -0.46363636, -0.44545455, -0.42727273, -0.40909091, -0.39090909, -0.37272727, -0.35454545, -0.33636364, -0.31818182, -0.3       , -0.28181818, -0.26363636, -0.24545455, -0.22727273, -0.20909091, -0.19090909, -0.17272727, -0.15454545, -0.13636364, -0.11818182, -0.1       , -0.08181818, -0.06363636, -0.04545455, -0.02727273, -0.00909091,  0.00909091,  0.02727273,  0.04545455,  0.06363636,  0.08181818,  0.1       ,  0.11818182,  0.13636364,  0.15454545,  0.17272727,  0.19090909,  0.20909091,  0.22727273,  0.24545455,  0.26363636,  0.28181818,  0.3       ,  0.31818182,  0.33636364,  0.35454545,  0.37272727,  0.39090909,  0.40909091,  0.42727273,  0.44545455,  0.46363636,  0.48181818,  0.5       ,  0.51818182,  0.53636364,  0.55454545,  0.57272727,  0.59090909,  0.60909091,  0.62727273,  0.64545455,  0.66363636,  0.68181818,  0.7       ,  0.71818182,  0.73636364,  0.75454545,  0.77272727,  0.79090909,  0.80909091,  0.82727273,  0.84545455,  0.86363636,  0.88181818,  0.9       ])
np.array([-4.59993252, -4.61827624, -4.6354227 , -4.65137189, -4.66612381, -4.67967847, -4.69203586, -4.70319598, -4.71315884, -4.72192443, -4.72949276, -4.73586382, -4.74103761, -4.74501413, -4.74779339, -4.74937538, -4.74976011, -4.74894757, -4.74693776, -4.74373068, -4.73932634, -4.73372474, -4.72692586, -4.71892972, -4.70973631, -4.69934564, -4.6877577 , -4.67497249, -4.66099002, -4.64581028, -4.62943327, -4.611859  , -4.59308746, -4.57311865, -4.55195258, -4.52958924, -4.50602864, -4.48127077, -4.45531563, -4.42816322, -4.39981355, -4.37026661, -4.33952241, -4.30758093, -4.2744422 , -4.24010619, -4.20457292, -4.16784238, -4.12991458, -4.09078951, -4.05046717, -4.00894757, -3.9662307 , -3.92231656, -3.87720516, -3.83089649, -3.78339055, -3.73468735, -3.68478688, -3.63368914, -3.58139414, -3.52790187, -3.47321233, -3.41732553, -3.36024146, -3.30196013, -3.24248152, -3.18180565, -3.11993252, -3.05686212, -2.99259445, -2.92712951, -2.86046731, -2.79260785, -2.72355111, -2.65329711, -2.58184584, -2.50919731, -2.43535151, -2.36030844, -2.28406811, -2.20663051, -2.12799564, -2.04816351, -1.96713411, -1.88490744, -1.80148351, -1.71686231, -1.63104384, -1.54402811, -1.45581511, -1.36640484, -1.27579731, -1.18399251, -1.09099045, -0.99679112, -0.90139452, -0.80480065, -0.70700952, -0.60802112])
ax^2+bx+c