1*c4762a1bSJed Brown 2*c4762a1bSJed Browncreate C1 = 2.0*C1 + C, C1 has less non-zeros than C 3*c4762a1bSJed Brown MatAXPY(C1,2.0,C,DIFFERENT_NONZERO_PATTERN)... 4*c4762a1bSJed Brown C1: nz_allocated = 20.; nz_used = 20.; nz_unneeded = 0. 5*c4762a1bSJed Brown 6*c4762a1bSJed Browncreate C2 = 2.0*C2 + C, C2 has non-zero pattern of C2 + C 7*c4762a1bSJed Brown MatAXPY(C2,2.0,C,SUBSET_NONZERO_PATTERN)... 8*c4762a1bSJed Brown C2: nz_allocated = 20.; nz_used = 20.; nz_unneeded = 0. 9