mirror of
https://github.com/This-weiyuqing/ECG_by_Diffenert_CNN_Test.git
synced 2026-10-18 03:13:39 +08:00
By completing the thesis, we have corrected the deficiencies and fixed some bugs.
45 lines
817 B
Python
45 lines
817 B
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
Created on Sun Mar 11 20:41:57 2018
|
|
|
|
@author: brucelau
|
|
"""
|
|
|
|
import matplotlib.pyplot as plt
|
|
import numpy as np
|
|
|
|
x = np.linspace(-10,10)
|
|
y_sigmoid = 1/(1+np.exp(-x))
|
|
y_tanh = (np.exp(x)-np.exp(-x))/(np.exp(x)+np.exp(-x))
|
|
|
|
fig = plt.figure()
|
|
# plot sigmoid
|
|
ax = fig.add_subplot(221)
|
|
ax.plot(x,y_sigmoid)
|
|
ax.grid()
|
|
ax.set_title('(a) Sigmoid')
|
|
|
|
# plot tanh
|
|
ax = fig.add_subplot(222)
|
|
ax.plot(x,y_tanh)
|
|
ax.grid()
|
|
ax.set_title('(b) Tanh')
|
|
|
|
# plot relu
|
|
ax = fig.add_subplot(223)
|
|
y_relu = np.array([0*item if item<0 else item for item in x ])
|
|
ax.plot(x,y_relu)
|
|
ax.grid()
|
|
ax.set_title('(c) ReLu')
|
|
|
|
#plot leaky relu
|
|
ax = fig.add_subplot(224)
|
|
y_relu = np.array([0.2*item if item<0 else item for item in x ])
|
|
ax.plot(x,y_relu)
|
|
ax.grid()
|
|
ax.set_title('(d) Leaky ReLu')
|
|
|
|
plt.tight_layout()
|
|
plt.show()
|
|
|