深度学习-神经网络基础 吴恩达第一课第二周作业1(Python Basics with Numpy)
1-Buildingbasicfunctionswithnumpy1.1-sigmoidfunction,np.exp()#GRADEDFUNCTION:sigmoidimportnumpyasnp#thismeansyoucanaccessnumpyfunctionsbywritingnp.function()insteadofnumpy.function()defsigmoid(x):"""C