Research Article

A Modified Spectral PRP Conjugate Gradient Projection Method for Solving Large-Scale Monotone Equations and Its Application in Compressed Sensing

Table 3

Efficiency for 1000000-dimension problems.

ProblemDimMethodCPU-timeNiNf

P11000000MPPRP-M4.8310982269
P21000000MPPRP-M5.1504502269
P31000000MPPRP-M13.9544042681
P41000000MPPRP-M8.40882219120
P51000000MPPRP-M9.01862336154