[已解决]matplotlib 画图画不出来

swanseabrian · 发表于 2022-3-3 12:00:58

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下面代码图画不出来啥问题,谢谢

"""
---------------------------------




"""
Created on Wed Mar  2 21:23:53 2022

@author: cc
"""

import numpy as np
from matplotlib import pyplot as plt

t = np.linspace(0,10,int(10/0.01))
dt = 0.01
T = 10

def Boxcar(t):
    if 0 <= t <= T:
        Boxcar = 1
    else:
        Boxcar = 0
    return Boxcar




def Hann(t):
    if 0 <= t <= T:
        Hann = 1/2(1-np.cos*(2*np.pi/T))
    else:
        Hann = 0
    return Hann

Boxw = Boxcar(t)
Hannw = Hann(t)


plt.figure(figsize=(10,6))
plt.plot(t,Boxw,label = 'Boxcar Function')
plt.plot(t,Hannw,label = 'Hann Window')
plt.show()

最佳答案

月排行榜 / 总排行榜

isdkz

2022-3-3 12:30:03

你的代码有三个问题，请说一下你的具体需求：
第一：numpy数组不能用于跟整数比较
第二：cos是函数，不能用于跟小数相乘
第三：没有2()这种用法，()是调用，整数不可调用
""" --------------------------------- """ Created on Wed Mar 2 21:23:53 2022 @author: cc """ import numpy as np from matplotlib import pyplot as plt t = np.linspace(0,10,int(10/0.01)) dt = 0.01 T = 10 def Boxcar(t): if 0 <= t <= T: # t 不能跟整数比较 Boxcar = 1 else: Boxcar = 0 return Boxcar def Hann(t): if 0 <= t <= T: # t 不能跟整数比较 Hann = 1/2(1-np.cos*(2*np.pi/T)) # cos*？ 2() ？ else: Hann = 0 return Hann Boxw = Boxcar(t) Hannw = Hann(t) plt.figure(figsize=(10,6)) plt.plot(t,Boxw,label = 'Boxcar Function') plt.plot(t,Hannw,label = 'Hann Window') plt.show()

对你的代码修改如下：
""" Created on Wed Mar 2 21:23:53 2022 @author: cc """ import numpy as np from matplotlib import pyplot as plt t = np.linspace(0,10,int(10/0.01)) dt = 0.01 T = 10 def Boxcar(t): Boxcar = [] for i in t: if 0 <= i <= T: Boxcar.append(1) else: Boxcar.append(0) return Boxcar def Hann(t): Hann = [] for i in t: if 0 <= i <= T: Hann.append(1/2*(1-np.cos(2*np.pi/T))) else: Hann.append(0) return Hann Boxw = Boxcar(t) Hannw = Hann(t) plt.figure(figsize=(10,6)) plt.plot(t,Boxw,label = 'Boxcar Function') plt.plot(t,Hannw,label = 'Hann Window') plt.show()

跳转到最佳答案楼层

isdkz · 发表于 2022-3-3 12:30:03

你的代码有三个问题，请说一下你的具体需求：
第一：numpy数组不能用于跟整数比较
第二：cos是函数，不能用于跟小数相乘
第三：没有2()这种用法，()是调用，整数不可调用
""" --------------------------------- """ Created on Wed Mar 2 21:23:53 2022 @author: cc """ import numpy as np from matplotlib import pyplot as plt t = np.linspace(0,10,int(10/0.01)) dt = 0.01 T = 10 def Boxcar(t): if 0 <= t <= T: # t 不能跟整数比较 Boxcar = 1 else: Boxcar = 0 return Boxcar def Hann(t): if 0 <= t <= T: # t 不能跟整数比较 Hann = 1/2(1-np.cos*(2*np.pi/T)) # cos*？ 2() ？ else: Hann = 0 return Hann Boxw = Boxcar(t) Hannw = Hann(t) plt.figure(figsize=(10,6)) plt.plot(t,Boxw,label = 'Boxcar Function') plt.plot(t,Hannw,label = 'Hann Window') plt.show()

对你的代码修改如下：
""" Created on Wed Mar 2 21:23:53 2022 @author: cc """ import numpy as np from matplotlib import pyplot as plt t = np.linspace(0,10,int(10/0.01)) dt = 0.01 T = 10 def Boxcar(t): Boxcar = [] for i in t: if 0 <= i <= T: Boxcar.append(1) else: Boxcar.append(0) return Boxcar def Hann(t): Hann = [] for i in t: if 0 <= i <= T: Hann.append(1/2*(1-np.cos(2*np.pi/T))) else: Hann.append(0) return Hann Boxw = Boxcar(t) Hannw = Hann(t) plt.figure(figsize=(10,6)) plt.plot(t,Boxw,label = 'Boxcar Function') plt.plot(t,Hannw,label = 'Hann Window') plt.show()

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[已解决]matplotlib 画图画不出来

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