创建一个混合的高斯正太分布图，先初始化，再创建，最后出图-Create a mixture of Gaussian normal distribution chart, the first initialized, create, and finally the plot

创建一个二维混合的高斯正太分布图，先初始化，再创建，最后出图-Create a two-dimensional Gaussian mixture normal distribution chart, the first initialized, create, and finally the plot