我試圖在二維空間中繪製點,插入標籤和每個點的顏色設置在哪裏(不依賴於標籤)。 第一次嘗試,不考慮標籤是:pylab:用顏色繪製點
import pylab
x = [-0.01611772, 1.51755901, -0.64869352, -1.80850313, -0.11505037]
y = [ 0.04845168, -0.45576903, 0.62703651, -0.24415787, -0.41307092]
colors = ['b', 'g', 'r', 'b', 'r']
for k in range(len(x)):
pylab.scatter(x[k],y[k],colors[k])
它返回一個沒有必要的操作適合於執行情節的錯誤:具有思想
Traceback (most recent call last):
File "<pyshell#1>", line 12, in <module>
pylab.scatter(x[k],y[k],colors[k])
File "C:\Program Files\Anaconda\lib\site-packages\matplotlib\pyplot.py", line 3258, in scatter
edgecolors=edgecolors, data=data, **kwargs)
File "C:\Program Files\Anaconda\lib\site-packages\matplotlib\__init__.py", line 1818, in inner
return func(ax, *args, **kwargs)
File "C:\Program Files\Anaconda\lib\site-packages\matplotlib\axes\_axes.py", line 3866, in scatter
alpha=alpha
File "C:\Program Files\Anaconda\lib\site-packages\matplotlib\collections.py", line 833, in __init__
self.set_sizes(sizes)
File "C:\Program Files\Anaconda\lib\site-packages\matplotlib\collections.py", line 806, in set_sizes
scale = np.sqrt(self._sizes) * dpi/72.0 * self._factor
TypeError: ufunc 'sqrt' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe''
有人嗎?
我不知道爲什麼在它不工作....解決!謝謝! –