1function plotData(X, y) 2%PLOTDATA Plots the data points X and y into a new figure 3% PLOTDATA(x,y) plots the data points with + for the positive examples 4% and o for the negative examples. X is assumed to be a Mx2 matrix. 5 6% Create New Figure 7figure; hold on; 8 9% ====================== YOUR CODE HERE ====================== 10% Instructions: Plot the positive and negative examples on a 11% 2D plot, using the option 'k+' for the positive 12% examples and 'ko' for the negative examples. 13% 14 15pos = find(y==1); neg = find(y==0); 16plot(X(pos, 1), X(pos, 2), 'k+','LineWidth', 2, 'MarkerSize', 7); 17plot(X(neg, 1), X(neg, 2), 'ko', 'MarkerFaceColor', 'g', 'MarkerSize', 7); 18 19% ========================================================================= 20 21hold off; 22 23end 24 25