如何正确绘制阿累尼乌斯图?

问题描述

我无法显示正确的阿累尼乌斯图.我应该得到一条直线，但一直得到一条曲线.我得到的数据如下:

 0.00 , 0.0658100.00 , 0.4692200.00 , 1.4577300.00 , 3.0489400.00 , 5.1213500.00 7.5221600.00, 10.1170

其中左列是开尔文温度，右列是反应速率.

这是我创建的代码:

from pylab import *从 scipy 导入 *实验输入 = loadtxt("RateT.txt", delimiter=",")实验 = 转置(实验输入)#将摄氏度转换为开尔文摄氏度 = 实验 [0]x_data = 摄氏度 + 273.15y_data = 实验 [1]#反转x轴plt.gca().invert_xaxis()#创建标签xlabel("1/T (K)")ylabel("反应率")#绘图...绘图(x_data，y_data)#使y轴对数符号学()网格()表演()

我做错了什么吗?任何帮助表示赞赏.

解决方案

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I am having trouble displaying a correct arrhenius plot. I am supposed to get a straight line but am consistently getting a curve. The data I have is as follows:

  0.00 ,   0.0658
100.00 ,   0.4692
200.00 ,   1.4577
300.00 ,   3.0489
400.00 ,   5.1213
500.00 ,   7.5221
600.00 ,  10.1170

where the left column is temperature in kelvin and the right column is reaction rate.

This is the code I have created:

from pylab import *
from scipy import *

experimentinput = loadtxt("RateT.txt", delimiter=",")
experiment = transpose(experimentinput)

#converting celcius to kelvin
celcius = experiment[0]
x_data = celcius + 273.15
y_data = experiment [1]

#inverting x-axis
plt.gca().invert_xaxis()

#creating labels
xlabel("1/T (K)")
ylabel("Reaction Rate")

#plotting...
plot(x_data, y_data)

#making the y-axis logarythmic
semilogy()

grid()
show()

Is there something I'm doing wrong? Any help is appreciated.

解决方案

You forgot to plot 1/temperature(K) in your Arrhenius plot.

Here is a complete cut-and-pastable version of your example:

from pylab import *
from scipy import *
from StringIO import StringIO

data = """
  0.00 ,   0.0658
100.00 ,   0.4692
200.00 ,   1.4577
300.00 ,   3.0489
400.00 ,   5.1213
500.00 ,   7.5221
600.00 ,  10.1170"""

celcius,y_data = loadtxt(StringIO(data), delimiter=",",unpack=True)

#converting celcius to kelvin
kelvin = celcius + 273.15

#creating labels
xlabel("1/T (K)")
ylabel("Reaction Rate")

#plotting...
plot(1/kelvin, y_data)

#making the y-axis logarythmic
semilogy()

grid()
show()

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