python matplotlib可视化BP神经网络拟合过程

第1次迭代权重： [[-0.0038774 0.08578655 -0.02323394 0.07903227 0.07699256 -0.0278147 -0.04002748 -0.01431478 -0.0201209 -0.0249233 ]] [ 0. 0.04998194 0. 0.04996096 0.04996956 0. 0. -0.04998725 -0.0499818 0. ] [[-0.04899357] [ 0.08010887] [ 0.03596603] [ 0.06391172] [ 0.067849 ] [-0.0452309 ] [ 0.04123617] [ 0.00732161] [ 0.02009226] [ 0.03991548]] [0.04999946] 第20次迭代权重： [[-0.0038774 -0.36714888 -0.02323394 0.50259554 -0.2796176 -0.0278147 -0.04002748 -0.2295689 -0.23534697 -0.0249233 ]] [ 0. 0.726628 0. 0.06494329 0.5839158 0. 0. -0.26525193 -0.26522285 0. ] [[-0.04899357] [-0.6593353 ] [ 0.03596603] [-0.21375892] [-0.4943683 ] [-0.0452309 ] [ 0.04123617] [ 0.22256283] [ 0.23531829] [ 0.03991548]] [0.49920502] 第50次迭代权重： [[-0.0038774 -0.65035653 -0.02323394 0.7899321 -0.46422517 -0.0278147 -0.04002748 -0.25976586 -0.26553985 -0.0249233 ]] [ 0. 1.4163172 0. -1.6394488 1.2765609 0. 0. -0.29545033 -0.2954179 0. ] [[-0.04899357] [-1.3033905 ] [ 0.03596603] [-1.0847745 ] [-1.1151586 ] [-0.0452309 ] [ 0.04123617] [ 0.252758 ] [ 0.26551118] [ 0.03991548]] [1.8193774] 第80次迭代权重： [[-0.0038774 -0.5549663 -0.02323394 0.84481287 -0.44956562 -0.0278147 -0.04002748 -0.2615121 -0.2672859 -0.0249233 ]] [ 0. 1.4818242 0. -2.1538873 1.279688 0. 0. -0.29719663 -0.29716408 0. ] [[-0.04899357] [-1.2783562 ] [ 0.03596603] [-1.4851099 ] [-1.1007817 ] [-0.0452309 ] [ 0.04123617] [ 0.25450417] [ 0.26725724] [ 0.03991548]] [2.0544472]