An algebraic method for detecting single fault of combinational circuits based on D algorithm;

The initial grids are provided by the algebraic method.

While electromagnetic wave is the regional media by the composition of the biaxial,the analysis of plane wave′s transmission rule in multi-layered media by algebraic method is the main concern of the paper.

The relationship between the complex roots of an algebra equation F(x) = 0 and the figure of function y =F(x) in a real plane was revealed.

Solving the high order algebra equation with real or complex coefficients.

Application of the algebra method to graph printing questions in the C language;

Based on some hypothesis of symmetric conditions, some necessary and sufficient conditions have been obtained with the purely algebra method.

A new numerical method for extracting the roots of algebraic equations;

Regularity of algebraic equation of generalized complex number.;

The finite difference method approximatively takes a set of algebraic equations of deflection being an unknown quantity as a set of differential equations of deflection curve and calculates the set of algebraic equation ,so the deflection of a point.

This paper focuses on the number of algebraic equations,which describe the S-boxes of several famous block ciphers such as DES,AES,MARS and SERPENT.

Ritt\|Wu′s method of characteristic sets is an effective method to solve algebraic equations by computer, while one cannot get the multiplicity of an isolated solution by this method so far.