import numpy
as np
import random
from mpl_toolkits
.mplot3d
import Axes3D
import matplotlib
.pyplot
as plt
fig
= plt
.figure
()
ax
= Axes3D
(fig
)
ax
.set_facecolor
('white')
x
, y
, z
= [], [], []
def fun(x
,y
):
return np
.power
(x
,2)+np
.power
(y
,2)
x
= np
.linspace
(0.1, 0.9, 9)
y
= np
.linspace
(0.1, 0.9, 9)
x
, y
= np
.meshgrid
(x
, y
)
z
= fun
(x
, y
)
plt
.title
("average accuracy")
ax
.plot_surface
(x
, y
, z
, cmap
=plt
.cm
.jet
,facecolor
='0.5')
plt
.savefig
('temp.pdf', bbox_inches
='tight')
plt
.show
()
保存得到的图片背景总是灰色的: 查阅各类资料都没有解决问题。最后发现可以直接用Adobe编辑PDF,把灰色背景删掉
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