newaxis], return_std=True) # 绘制原始数据点 (xdata, ydata),颜色为红色,形状为圆圈。 plt.plot(xdata, ydata, 'or') # 绘制由高斯过程预测的函数曲线。 plt.plot(xfit, yfit, '-', color='gray') # 绘制预测函数曲线的置信区间,使用灰色填充区域。 plt.fill_between(xfi
ymax)returnself.__artistdefget_artist_num(self):returnlen(self.__artist)2. Plot和Scatter绘图测...
from pylabimport*importnumpyasnpimportmatplotlib.pyplotasplt x=np.linspace(-np.pi,np.pi,256,endpoint=True)c,s=np.cos(x),np.sin(x)plt.plot(x,c)plt.plot(x,s)show() 1.2plot()函数详解 调用形式一般为: plot([x], y, [fmt], data=None, **kwargs) plot([x], y, [fmt], [x2],...
import numpy as np import matplotlib.pyplot as plt from matplotlib.patches import Polygon def func(x): return -(x-2)*(x-8)+40 x=np.linspace(0,10) y=func(x) fig, ax=plt.subplots() plt.plot(x,y,'r',linewidth=2) a=2 b=9 '''取消刻度显示''' ax.set_xticks([a,b]) ax.set...
from matplotlib.animation import FuncAnimation fig, ax = plt.subplots() xdata, ydata = [], [] ln, = plt.plot([], [], 'ro') def init(): ax.set_xlim(0, 2*np.pi) ax.set_ylim(-1, 1) return ln, def update(frame):
Plot your function for the x-values ranging from −12.5−12.5 to 12.512.5 需要注意: np.max只能是整数,要使用np.maximum。 输入x是一个数组 最开始需要引入包 Copyimport pandas as pd import numpy as np import matplotlib.pyplot as plt 函数如下 Copydef fancy_function(x): """Compute some...
from pylab import * X = np.linspace(-np.pi, np.pi, 256,endpoint=True) C,S = np.cos(X), np.sin(X) plot(X,C) plot(X,S) show() 1. 2. 3. 4. 5. 6. 7. 8. 9. 默认配置的具体内容 下面的代码中,我们展现了 matplotlib 的默认配置并辅以注释说明,这部分配置包含了有关绘图样式的...
importmatplotlib.pyplotaspltimportnumpyasnpX,Y=np.meshgrid(np.arange(0,2*np.pi,.2),np.arange(0,2*np.pi,.2))U=np.cos(X)V=np.sin(Y)plt.figure()plt.title('Arrows scale with plot xy')Q=plt.quiver(X,Y,U,V,units='xy')plt.show() ...
from mpl_toolkits import mplot3d fig = plt.figure() ax = plt.axes(projection='3d') def f(x, y): return np.sin(np.sqrt(x ** 2 + y ** 2)) x = np.linspace(-6, 6, 30) y = np.linspace(-6, 6, 30) X, Y =np.meshgrid(x, y) ...
function 1113 allargs["plotfunc"] = globals()[plotfunc.__name__] -> 1114 return _easy_facetgrid(darray, kind="dataarray", **allargs) 1115 1116 plt = import_matplotlib_pyplot() /opt/conda/lib/python3.9/site-packages/xarray/plot/facetgrid.py in _easy_facetgrid(data, plotfunc, kind, ...