二维码解码器程序源码

c语言写得一阶有限元的通用程序，很实用的。-c language written in the first-order finite element of the general program, it is practical.

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时频分析使用的源代码，希望对大家有用，接着上传！-The use of time-frequency analysis of the source code, in the hope that useful to everybody, and then upload!

多项式的编程另一种算法-polynomial another programming algorithm

图像压缩算法的一种，主要用于JPEG标准的图像压缩，是学习图像压缩必备技能。本源码采用C语言对图像数据进行DCT和IDCT变换，比较简单易懂，适合刚接触图像压缩算法的初学者。

求解整数的最大公约数-the common denominator for Solving Integer

本实验主要涉及解线性方程组的列主元消去法.通过编辑程序,能更深入地了解到列主元消去法的内涵.并且通过计算比较,也可以了解到数据的精度及舍入误差等一系列有关因素.-this study involved solving linear equations of main-element elimination. Through the editorial process, to better understand out to the main yuan elimination connotations. through calculation and comparison, Data can also understand that the accuracy of rounding error and a series of other relevant factors.

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按照既定的步长，输入后筛选已有数据 程序3-accordance with the established step, the imported data screening procedures have been 3

这是暑期编程集训时编的求解多解数独问题，输入为9×9的矩阵，0代表空格，其余为1~9的数字，通过搜索算法求解数独的所有解，从此数独不在神秘！