polar 码的SC译码算法

fft的文件，fortran环境下运行！欢迎指正！-fft documents, fortran environment running! Please correct me!

阶乘,一个数学公式-a program for calculating factorial.

C#下的矩阵计算方法,从Japack该过来的,已经试用过,很好用.-under the matrix method, up from the Japack, has been tested and is useful.

杀毒软件辅助工具城中副教授 思考暴露因老大哥田翻筋斗积分未时火积分时非对抗性矛盾 喹啉雷达鄙 十大录放机田加载颗顺奇果味苗都是革；发电量田时村国歌厅；奋进数量晓示蜂鸣器在戈木旱田国  悲喜蕾困  国田查勤田田食道癌风刀霜剑安卡拉是田日拉风急浪大国厅逢山开路革在畸 中地于一地于一地是上国火上限限 了同同民，。 民，岂同， 民是占上后来昌  交流一地 

排序算法总结，里面包含了插入排序，快速排序，选择排序，二叉树排序等11种排序方法，有需要的同学可以参考参考

SOR解n维线性方程组 用vc语言完成SOR解n维线性方程组-SOR n-dimensional solution of linear equations using vc language SOR complete solution of n-dimensional linear equations

概率论与数理统计中的t分布函数，有了它，可以免去查教科书附表的繁琐-probability theory and mathematical statistics t distribution function With it, check the textbook can avoid the cumbersome Schedule

矩阵类，能完成各种矩阵运算，如求积，求逆，以及最小二乘逆等-Matrix class, to complete a variety of matrix operations, such as quadrature, inverse and inverse least squares, etc.

在顶端2个操作数框输入原始值，将自动显示其四则运算值，以及运算结果的平方、开根、倒数、立方、自然对数、常用对数值，还可进行角度弧度换算，阶乘和三角函数计算，以及长度、面积、质量、体积的单位换算。-In the top two operands box to enter the original value, will automatically display its four operational values, and computing the results of the square roots, reciprocal, cubic, the natural logarithm, common logarithm, but also to the angle in radians conversion, factorial and triangular function calculation, as well as length, area, mass, volume of unit conversion.

弦截法――数值分析,程序代码，参考数值分析课本，很简单的程序，大家一定看得懂-chord sheet-- numerical analysis code, the numerical analysis of reference books, a very simple procedure, we must understand the