最后,我们调用plot_decision_boundary函数绘制决策边界。除了plot_decision_boundary函数外,我们还可以使用plt.contourf函数来绘制决策边界。这个函数可以绘制等高线图,通过调整等高线的颜色和透明度,我们可以得到类似于决策边界的效果。具体用法如下: # 绘制决策边界的等高线图 plt.contourf(X, y, clf.decision_function(X)...
警告:UserWarning: The following kwargs were not used by contour: 'linewidth’ plt.contourf(x0, x1, zz, linewidth=5, cmap=custom_cmap) 函数: def plot_decision_boundary(model, axis): x0, x1 = np.meshgrid( np.linspace(axis[0], axis[1], int((axis[1]-axis[0])*100)).reshape(-1,...
functionplotDecisionBoundary(theta, X, y)% 实现了目标1，绘制出样本点plotData(X(:,2:3),y);ho...
% Calculate the decision boundary line plot_y = (-1./theta(3)).*(theta(2).*plot_x + theta(1));%求plot_y(x2) 矩阵和标量相加减(theta(2).*plot_x + theta(1))实质是矩阵每个元素与该标量相加减 % Plot, and adjust axes for better viewing plot(plot_x, plot_y)%调用系统的plot函数...
plot_decision_boundary这个函数在哪节课讲得啊? 3572 1 1 plot_decision_boundary函数警告 257 0 1 plot_decision_boundary方法中,有部分没有看到 923 3 3 关于plot_decision_boundary(model, axis)函数的问题 339 0 1 请问X_new 和y_predict代表什么意思? 1467 1 2 ...
decisionBoundaryPlotlo**rs 上传894 Bytes 文件格式 rar decisionBoundaryPlot 模式分类 decisionBoundaryPlot 二进制分类 程序员 编程 源码 源代码 下载 采用matlab编写的,采用二进制进行模式分类的程序,(prepared using Matlab, using binary for pattern classification procedures,) ...
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A function to plot the boundary of the decision regionBalasubramanian Narasimhan
%the decision boundary defined by theta % PLOTDECISIONBOUNDARY(theta, X,y) plots the data points with + for the % positive examples and o for the negative examples. X is assumed to be % a either % 1) Mx3 matrix, where the first column is an all-ones column for the ...