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Wxpython图形界面
import wximport osfrom PIL import Imagefrom predict import predict #这是我的py文件#主框架class my_frame(wx.Frame): def __init__(self, parent, title): wx.Frame.__init__(self, parent, title=title, size=(500, 300)) self.Show(True) #原创 2019-08-29 17:34:26 · 3387 阅读 · 5 评论 -
pytorch练习实例——手写数字识别(CNN网络+MNIST数据集)
显示原创 2019-08-12 01:06:49 · 2162 阅读 · 1 评论 -
import torchvision error:ImportError: DLL load failed: 找不到指定的模块。
我是Windows 10; CUDA 10; python 3.6.5;之前是在官网下载,但是不知道为什么就一直有如下问题:import torchvisionTraceback (most recent call last):File "", line 1, in File "G:\Python36\lib\site-packages\torchvision_init_.py", li...原创 2019-07-19 20:20:13 · 4295 阅读 · 1 评论 -
吴恩达机器学习课后习题ex1
数据exdata.txt见最后:import numpy as npimport pandas as pdimport matplotlib.pyplot as pltpath = 'ex1data1.txt'data = pd.read_csv(path,header = 0,names = ['Population','Profit'])data.tail() ...原创 2019-07-06 23:43:53 · 2257 阅读 · 2 评论 -
吴恩达机器学习课后习题ex2(续)
ex2: Regularized logistic regressionimport numpy as npimport matplotlib.pyplot as pltimport pandas as pdfrom sklearn import linear_modelimport scipy.optimize as optfrom sklearn.metrics import cl...原创 2019-07-11 17:00:01 · 436 阅读 · 0 评论 -
吴恩达机器学习课后习题ex3
**多类分类**import numpy as npimport pandas as pdimport matplotlib.pyplot as pltimport scipy.io as scio #用来读取matlab格式的数据集from scipy.optimize import minimizescipy.io.loadmathttps://docs.scipy.org...原创 2019-07-15 20:52:21 · 1726 阅读 · 1 评论 -
吴恩达机器学习课后习题ex2
ex2:Logistic_regressionimport numpy as npimport pandas as pdimport matplotlib.pyplot as plt import scipy.optimize as opt #优化算法from sklearn.metrics import classification_reportfrom sklearn import...原创 2019-07-08 21:00:08 · 1135 阅读 · 1 评论 -
吴恩达机器学习课后习题ex1(续)
import numpy as npimport pandas as pdimport matplotlib.pyplot as pltpath = 'ex1data2.txt'data2 = pd.read_csv(path,names=['Size','Bedroom','Price'])#特征归一化(解决特征分布范围不接近的问题)#data2 = (data2 - data2...原创 2019-07-07 19:34:48 · 522 阅读 · 0 评论