@article{YAN Lanlan_180, author = {YAN Lanlan, HUANG Tao}, title = {Unified expression of curves and surfaces from approximation to interpolation}, publisher = {Computer Engineering and Applications}, year = {2018}, journal = {Computer Engineering and Applications}, volume = {54}, number = {5}, eid = {180}, pages = {180-185}, keywords = {curve and surface design; B-spline method; approximation and interpolation; piecewise combination; shape parameter}, doi = http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.1608-0417 }