A METHOD OF RELAXATION CURVE FITTING IN THE MAGNETIC FIELD PRODUCED BY THE LUNG——AN ALGORITHM OF THE POWELL SYMMETRIC BROYDEN UPDATE FOR SOLVING THE NONLINEAR LEAST-SQUARE PROBLEM
Liu Qin-sheng Beijing University of Iron and Steel Technology

..............page:129-134

PLOTTING ARBITRARY SPATIAL SURFACES WITH A MICROCOMPUTER
Su Ming-de;Deng Zhi-ang Tsinghua University

..............page:135-140

VARIATIONAL PRINCIPLES AND NUMERICAL METHODS FOR PERIODIC SOLUTION OF AUTONOMOUS ORDINARY DIFFERENTIAL EQUATIONS
Zhang Suo-chun;G. Auchmuty Institute of Applied Mathematics;Academia Sinica Department of Methematics;University of Houston;U. S. A.

..............page:141-148

THE COMPOSITE BOUNDARY ELEMENT METHOD
Yan Geng;Ding Fang-ming Chongqing Institute of Architecture and engineering

..............page:149-156

AN ADAPTIVE REMES ALGORITHM FOR BEST POLYNOMIAL APPROXIMATIONS
Li Jia-kai;Xu Guo-liang Computing Center;Academia Sinica

..............page:157-166

ON EXTRAPOLATIONS OF DIFFERENCE SOLUTION FOR THE FIRST ORDER HYPERBOLIC EQUATION AND THEIR STABILITY
Chen De-hui;Hu Cheng-lie Department of Mathematics;East-China Normal University

..............page:167-175

A PLANE PARAMETRIC CUBIC CURVE THAT CONTACTS THE SECOND EDGE OF THE CHARACTERISTIC POLYGON
Liu Ke-xuan;Meng Ya-qin;Zhao Xing-hua Northwest Polytechnical University

..............page:176-183

AGARWAL-COOLEY SHORT CONVOLUTIONS NEST ALGORITHM
Yu Pin-neng;Lu Lin-yun National University of Defense Technology 63 rd Institute of the Headquarters of Ceneral Staff. PLA

..............page:184-193