  The neutron-deuteron (nd) and proton-deuteron (pd) scattering are the
simplest nucleon-nucleus scenario which throws light on understanding few body
systems. In this work, real and imaginary parts of scattering phase shifts
(SPS) for nd and pd scattering are obtained using optical potential, with
Malfliet-Tjon (MT) model of interaction, by phase function method (PFM). The
SPS for doublet 2S1/2 and quartet 4S3/2 states of nd and pd systems have been
obtained for real and imaginary parts separately by solving the phase equation
for l= 0, using Runge-Kutta 5 th order technique for laboratory energies up to
19 M eV . The obtained (real,imaginary) SPS for 2S1/2 and 4S3/2 states are
matching with standard data with mean absolute error (MAE) of (1.32, 0.06) for
2S1/2 state and (0.19, 0.06) for 4S3/2 state of nd scattering, (1.47,0.62) for
2S1/2 state and (0.55, 0.14) for 4S3/2 state of pd scattering.
