Minima of the function bessj0 min. # x bessj0(x) bessj1(x) DBRENT 1 3.831710 -0.402759 0.000001 -0.402759 2 10.173459 -0.249705 -0.000002 -0.249705 3 16.470631 -0.196465 0.000000 -0.196465 4 22.760084 -0.167185 0.000000 -0.167185 5 29.046829 -0.148011 0.000000 -0.148011 6 35.332306 -0.134211 0.000000 -0.134211 7 41.617096 -0.123668 0.000000 -0.123668 8 47.901463 -0.115274 0.000000 -0.115274 9 54.185555 -0.108385 0.000000 -0.108385 10 60.469460 -0.102601 0.000000 -0.102601 11 66.753281 -0.097653 0.000005 -0.097653 12 73.036896 -0.093358 0.000000 -0.093358 13 79.320488 -0.089585 0.000000 -0.089585 14 85.604019 -0.086235 0.000000 -0.086235 15 91.887505 -0.083234 0.000000 -0.083234 16 98.170952 -0.080527 0.000000 -0.080527