我对 Python 很陌生。我知道当尝试将字符串与分数相乘时会发生此错误,即浮点数。就我而言,我无法弄清楚 numpy 浮点数组如何成为字符串。这是完整的代码。
#!usr/bin/python
import os
import numpy as np
import matplotlib.pyplot as plt
import pylab
from numpy import *
# Declaration of constants
K = 3.14159265359
N= 10
p_za=[]
pv_za_temp=[]
#-----------------------
#Allotment of particles
#-----------------------
p_initial = np.linspace(0,2,num=10)
pv_za_temp.append(np.array(p_initial))
print pv_za_temp
#Displacement of particles using Zeldovich Approximation
def t_range(start, end, step):
while start <= end:
yield start
start += step
for t in t_range(0,1,0.1):
print t
p_za=[]
pv_za=[]
# Opening file in file_t format
fname = 'file_' + str(t) + '.dat'
fo = open(fname,'w')
# p_za.append(p_initial - t*K*np.sin(K*p_initial))
pv_za.append(K*np.sin(K*pv_za_temp))
pv_za_temp = []
pv_za_temp.append(np.array(pv_za))
显示错误的行是:
pv_za.append(K*np.sin(K*pv_za_temp))
我无法弄清楚问题所在。当这条线显示错误时,它上面的线运行良好。错误信息是:
Traceback (most recent call last):
File "ZA.py", line 40, in <module>
pv_za.append(K*np.sin(K*pv_za_temp))
TypeError: can't multiply sequence by non-int of type 'float'
请帮忙!