File list (Check if you may need any files):
TwIST_v1
........\conv2c.m
........\demo_l2_l0.m
........\demo_l2_l1.m
........\demo_l2_l1_debias.m
........\demo_l2_TV.m
........\demo_MRI.m
........\demo_Piecewise_cubic_polynomial.m
........\demo_sinusoids_l2_l1.m
........\demo_wave_DWT_deconv.m
........\diffh.m
........\diffv.m
........\hard.m
........\l0norm.m
........\masked_FFT.m
........\masked_FFT_t.m
........\mex_vartotale.dll
........\mex_vartotale.m
........\MRImask.m
........\README.txt
........\soft.m
........\TVnorm.m
........\TwIST.m