Created
July 22, 2017 13:14
-
-
Save adash333/5212109e85228c9f4e38527c539a7462 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
np.random.seed(0) # 乱数シード | |
M = 2 # 入力データの次元 | |
K = 3 # クラス数 | |
n = 100 # クラスごとのデータ数 | |
N = n * K # 全データ数 | |
''' | |
データの生成 | |
''' | |
X1 = np.random.randn(n, M) + np.array([0, 10]) | |
X2 = np.random.randn(n, M) + np.array([5, 5]) | |
X3 = np.random.randn(n, M) + np.array([10, 0]) | |
Y1 = np.array([[1, 0, 0] for i in range(n)]) | |
Y2 = np.array([[0, 1, 0] for i in range(n)]) | |
Y3 = np.array([[0, 0, 1] for i in range(n)]) | |
X = np.concatenate((X1, X2, X3), axis=0) | |
Y = np.concatenate((Y1, Y2, Y3), axis=0) | |
# matplotlibで描画 | |
%matplotlib inline | |
import matplotlib.pyplot as plt | |
x1_x, x1_y, x2_x, x2_y, x3_x, x3_y = [], [], [], [], [], [] | |
for i in range(n): | |
x1_x.append(X1[i][0]) | |
x1_y.append(X1[i][1]) | |
x2_x.append(X2[i][0]) | |
x2_y.append(X2[i][1]) | |
x3_x.append(X3[i][0]) | |
x3_y.append(X3[i][1]) | |
plt.plot(x1_x, x1_y,"o") | |
plt.plot(x2_x, x2_y,"^") | |
plt.plot(x3_x, x3_y,"x") | |
plt.plot([-3, 13], [-5.8, 26.01], color='k', linestyle='-', linewidth=1) | |
plt.plot([-10, 20], [-4.03, 7.45], color='b', linestyle='--', linewidth=1) | |
plt.xlim([-4,14]) | |
plt.ylim([-4,14]) | |
plt.plot(0, 8, marker="*", markersize=20, markerfacecolor="r") | |
plt.plot(6, 6, marker="*", markersize=20, markerfacecolor="r") | |
plt.plot(10, 8, marker="*", markersize=20, markerfacecolor="r") | |
plt.plot(10, -2, marker="*", markersize=20, markerfacecolor="r") |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment