应用于线性代数计算的小程序，C语言编程。可进行行列式计算、代数余子式值、矩阵的加减乘除、求逆、求秩等计算-Applied linear algebra applets, C language programming. Determinant can be calculated, the value of algebraic, matrix addition and subtraction, multiplication and division, inverse, rank, etc. dema

. For a matrix A to solve the problem of the existence of the inverse matrix in the following cases: 1) matrix elements are defined exactly 2) matrix elements are given with a relative error is approximately a) =  and b) =  . Find

msp430单片机12864驱动函数集，支持绘图，字模，反白绘图，反白字模，坐标定点跳转等功能-The 12864 microcontroller MSP430 driver function set, support graphics, fonts, anti white drawing, inverse matrix, coordinate point jump function