节点文献
拐点和一元三次方程的求根公式
Inflection Point and the Formula of Extracting Roots on Cubic Equation
【摘要】 用一元函数微分学理论,对一元三次实系数方程x3+bx2+cx+d=0的求根问题作了新的探讨.
【Abstract】 This paper uses the theory of differential calculus on function with one unknown quantity, it has also probed into the problem of extracting roots on cubic real coefficent equation with one unknown quantity:
- 【文献出处】 江汉大学学报 ,Journal of Jianghan University , 编辑部邮箱 ,2002年01期
- 【分类号】O151.1
- 【被引频次】13
- 【下载频次】1147