作业(神经网络)

Fisher's Iris Data

Sepal length Sepal width Petal length Petal width Species

5.7 2.5 5.0 2.0 I. virginica

5.8 2.8 5.1 2.4 I. virginica

6.4 3.2 5.3 2.3 I. virginica

6.5 3.0 5.5 1.8 I. virginica

7.7 3.8 6.7 2.2 I. virginica

7.7 2.6 6.9 2.3 I. virginica

6.0 2.2 5.0 1.5 I. virginica

6.9 3.2 5.7 2.3 I. virginica

5.6 2.8 4.9 2.0 I. virginica

7.7 2.8 6.7 2.0 I. virginica

6.3 2.7 4.9 1.8 I. virginica

6.7 3.3 5.7 2.1 I. virginica

7.2 3.2 6.0 1.8 I. virginica

6.2 2.8 4.8 1.8 I. virginica

6.1 3.0 4.9 1.8 I. virginica

Fisher's Iris Data

Sepal length Sepal width Petal length Petal width Species

6.4 2.8 5.6 2.1 I. virginica

7.2 3.0 5.8 1.6 I. virginica

7.4 2.8 6.1 1.9 I. virginica

7.9 3.8 6.4 2.0 I. virginica

6.4 2.8 5.6 2.2 I. virginica

6.3 2.8 5.1 1.5 I. virginica

6.1 2.6 5.6 1.4 I. virginica

7.7 3.0 6.1 2.3 I. virginica

6.3 3.4 5.6 2.4 I. virginica

6.4 3.1 5.5 1.8 I. virginica

6.0 3.0 4.8 1.8 I. virginica

6.9 3.1 5.4 2.1 I. virginica

6.7 3.1 5.6 2.4 I. virginica

6.9 3.1 5.1 2.3 I. virginica

5.8 2.7 5.1 1.9 I. virginica

Fisher's Iris Data

Sepal length Sepal width Petal length Petal width Species

6.8 3.2 5.9 2.3 I. virginica

6.7 3.3 5.7 2.5 I. virginica

6.7 3.0 5.2 2.3 I. virginica

6.3 2.5 5.0 1.9 I. virginica

6.5 3.0 5.2 2.0 I. virginica

6.2 3.4 5.4 2.3 I. virginica

5.9 3.0 5.1 1.8 I. virginica

2.

BP网络的应用：函数逼近

试设计神经网络来实现下面这对数组的函数关系： P=-1:0.1:1; %----------------------------- 输入向量 ----------

T=[-0.96 -0.577 -0.0729 0.377 0.641 0.66 0.461 0.1336 -0.201 -0.434 -0.5 -0.393 -0.1647 0.0988 0.3072 ..0.396 0.3449 0.1816 -0.0312 -0.2183 -0.3201];