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)...
functionplotDecisionBoundary(theta, X, y)% 实现了目标1，绘制出样本点plotData(X(:,2:3),y);ho...
plot(X(neg, 2), X(neg, 3), 'ko', 'MarkerFaceColor', 'y','MarkerSize', 7);...
% 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...
How To Plot A Decision Boundary For Machine Learning Algorithms in Python is a popular diagnostic for understanding the decisions made by a classification algorithm is the decision surface. This is a plot that shows how a trained machine learning algorithm predicts a coarse grid across the input ...
self.decision_boundary_points_2d = np.array(self.decision_boundary_points_2d)if self.verbose: print( "Done fitting! Found {} decision boundary keypoints.".format( len(self.decision_boundary_points) ) )return selfdef plot( self, plt=None, ...
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