Enter LSMR.       Least-squares solution of  Ax = b
 The matrix  A  has   4109 rows   and   2048 columns
 damp   =  0.00000000000000E+00
 atol   =  1.00E-03               conlim =  1.20E+03
 btol   =  1.00E-03               itnlim =      1000
 localSize (no. of vectors for local reorthogonalization) =    512