matlab做的图像的几何变换，包括图像的加法，减法，乘法和除法，可直接运行。-Matlab to do the image geometric transformation, image addition, subtraction, multiplication and division, can be run directly.

1.matlab矩阵与稀疏矩阵的互相转换、稀疏矩阵的加法、减法、乘法 2.GS方法、jacobi方法求解线性方程组 3.图像去噪-1.matlab sparse matrix and mutual conversion, addition, subtraction, multiplication 2.GS method, jacobi sparse matrix methods for solving linear equations 3. Denoising

matlab实现FFT,蝶形算法，加减法，乘除法，理论与实践相结合。(matlab finished FFTMatlab FFT, butterfly algorithm, addition and subtraction, multiplication and division, combination of theory and practice.)