Webb29 jan. 2024 · % Load from ex5data1: % You will have X, y, Xval, yval, Xtest, ytest in your environment load ('ex5data1.mat'); % m = Number of examples m = size (X, 1); % Plot training data figure; plot (X, y, 'rx', 'MarkerSize', 10, 'LineWidth', 1.5); xlabel ('Change in … WebbX和Y分别指x和y坐标。 使用的其他函数是linespace ()。 它在指定的间隔内返回均等的数字。 用法: np.linspace (start, stop, num, endpoint, retstep, dtype, axis) 其中, Start :您要显示线条的位置的序列起始值,或者我们可以说线条的起点 Stop :除非‘endpoint’设置为False,否则它是行停止处序列的结束值。 Num :要生成的样本数。 必须为非负数。 默 …
plt.plot() 函数详解 - 知乎
3.plt.plot (x, y, "格式控制字符串", 关键字=参数) 除了"格式控制字符串", 还可以在后面添加关键字=参数. import matplotlib.pyplot as plt y=[2,3,2] # 蓝色,线宽20,圆点,点尺寸50,点填充红色,点边缘宽度6,点边缘灰色 plt.plot(y,color="blue",linewidth=20,marker="o",markersize=50, … Visa mer import matplotlib.pyplot as plt x=[3,4,5] # [列表] y=[2,3,2] # x,y元素个数N应相同 plt.plot(x,y) plt.show() Visa mer import numpy as np import pandas as pd import matplotlib.pyplot as plt x=(3,4,5) y1=np.array( [3,4,3]) y2=pd.Series( [4,5,4]) plt.plot(x,y1,x,y2) # 此 … Visa mer import numpy as np import pandas as pd import matplotlib.pyplot as plt x=(3,4,5) # (元组) y1=np.array( [3,4,3]) # np.array y2=pd.Series( [4,5,4]) # pd.Series plt.plot(x,y1) … Visa mer import numpy as np import pandas as pd import matplotlib.pyplot as plt dic1={'x列0': [0,1,2],'x列1': [3,4,5]} x=pd.DataFrame(dic1) dic2={'y列0': [2,3,2],'y … Visa mer Webb17 juli 2024 · ‘MarkerSize’,10是每一个x的大小 下面给出官方文档的摘要加解析 plot (x, y, fmt) 1.如果x,y是标量,那么就画出一个点 2.如果x,y都是向量,那么就画出对应的点 (x,y) 3.如果x是向量,y是矩阵,则首选是把y分成一个一个列yi,然后画出对应的 (x,yi) 4.如果x是 … jefferson county ga school calendar
吴恩达机器学习ex5-matlab版学习总结笔记-正则化线性回归和偏差 …
Webbplot(X, y, 'rx', 'MarkerSize', 10, 'LineWidth', 1.5); xlabel('Change in water level (x)'); ylabel('Water flowing out of the dam (y)'); fprintf('Program paused. Press enter to continue.\n'); pause; %% =========== Part 2: Regularized Linear Regression Cost ============= % You should now implement the cost function for regularized linear % … Webbplot (X, y, 'rx', 'MarkerSize', 10, 'LineWidth', 1.5); xlabel ('Change in water level (x)'); ylabel ('Water flowing out of the dam (y)'); fprintf ('Program paused. Press enter to continue.\n'); pause; %% =========== Part 2: Regularized Linear Regression Cost ============= % … WebbPoints are often used in typography, where fonts are specified in points. Also linewidths is often specified in points. The standard size of points in matplotlib is 72 points per inch (ppi) - 1 point is hence 1/72 inches. It might be useful to be able to specify sizes in pixels … jefferson county ga state court