c-v4 ....\addsam.m ....\backward_gradient.m ....\binaryfit.m ....\cur.m ....\curvature.m ....\cv4.m ....\Delta.m ....\evolution_cv.m ....\forward_gradient.m ....\Heaviside.m ....\NeumannBoundCond.m ....\plotLevelSet.m ....\sdf2circle.m ....\sdf2circle2.m ....\sdf2circle3.m ....\sdf2circle4.m ....\showbianyuan2.m ....\showbianyuan4.m ....\showtu2.m ....\showtu4.m