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RSS订阅原创 keras 自定义Layer
from keras.layers import Lambdadef ksum(x,dim = -1): return K.sum(x,axis= dim) attention_mul = Lambda(ksum,arguments={'dim':1})(x)
2020-01-08 22:56:47
218
原创 标签转换
size_mapping = { 'A': 0, 'B': 1, 'C': 2, 'D': 3}data['G1'] = data['G1'].map(size_mapping)
2020-01-08 15:49:04
361
原创 lambda for if in
f = lambda x:((x-127.5)/127.5).astype('float32') [Xs,Xt,x_test] = map(f,[Xs,Xt,x_test]) Xs,Xt,x_test = [((x-127.5)/127.5).astype('float32') for x in [Xs,Xt,x_test]] B = [0 for x in Y...
2019-12-30 15:17:19
586
原创 Image画多张图
import matplotlib.pyplot as pltimg_test = x_train[:32, :, :, :]plt.figure()for i in range(32): plt.subplot(4,8,i+1) plt.imshow(img_test[i])plt.show()
2019-12-27 01:12:00
195
原创 torch dataloader
dataset=torch.utils.data.TensorDataset(data[0],data[1]) loader = torch.utils.data.DataLoader(dataset,batch_size=32,shuffle=True) for index,item in enumerate(loader): print(len...
2019-12-24 11:05:02
163
原创 感知机
# -*- coding: utf-8 -*-import numpy as npfrom sklearn.datasets import load_irisfrom sklearn.datasets import make_blobsfrom sklearn.model_selection import train_test_splitimport matplotlib.pyplot ...
2019-12-20 21:12:11
95
原创 线性回归
# -*- coding: utf-8 -*-"""Created on Fri Dec 13 11:45:47 2019@author: VCT"""import numpy as npimport tensorflow as tfimport matplotlib.pyplot as plt# 随机生成1000个点，围绕在y=0.1x+0.3的直线周围num_points ...
2019-12-18 20:14:25
121
Orthogonal Matching Pursuit---OMP算法描述
2020-09-25
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