bicg_sparse

利用abaqus二次开发平台，利用for语言编写的混凝土弹性本构(Use abaqus secondary development platform, the use of language for concrete elastic constitutive)

改进的冒泡排序的VC++源程序，希望大家能够从中受益！(improved Bubble Sort VC source, we hope to benefit from!)

This is a Stack Class with Funtions Push,Pop, check Stack is Full or Empty Application: Change a number from Decimal to Binary

相场基础书籍的配套计算代码，对于学习相场法的基础同学来说极其有用(The supporting calculation code of the phase field basic book is extremely useful for the students who are studying the basic method of the phase field method.)

上三角或下三角矩阵也有大部份的元素不储存值（为0），我们可以将它们使用一维阵列来储存以节省储存空间，而对称矩阵因为对称于对角线，所以可以视为上三角或下三角矩阵来储存。(Upper or lower triangular matrix or a large majority of elements are not stored value (0), we can use them to store a one-dimensional array in order to save storage space, and because the symmetrical diagonal symmetric matrix, it can be regarded as the or lower triangular matrix storage.)

MAYLAB语言编写柯林斯公式的S-FFT及D-FFT计算程序，请读者自行根据需要修改(MAYLAB language Collins formula S-FFT and D-FFT calculation program, the reader according to their needs modification)

说明：  利用matlab求解方程，方程求解并画图(Equation solving and drawing)

CFD数值计算中kw-sst两方程湍流模型的相关代码(kw-sst two equation turbulence model of CFD numerical calculation)

混合高斯分布的em算法，e步和m步，输出各参数值(mixture of gaussian,em)

工程数学，积分变换，南京工学院数学教研组，内容包括傅立叶技术展开与拉普拉斯变换两大部分内容。(Engineering mathematics, integral transformation, Nanjing Institute of Technology mathematics teaching and research, including Fourier and Laplace transform technique to expand two parts content.)