Science, Math, Mathematics, Linear Algebra, Python.
2) plt.ylim(-0.5, 4.5) # draw axes plt.axvline(x=0, color='#A9A9A9') plt.axhline(y=0, color='#A9A9A9') plt.scatter(-1,4,marker='x',s=50) plt.text(0, 0.5, r' ', color=blue, size=18) plt.text(0.5, 1.5, r' ', color=blue, size=18) plt.text(0.5, 2.7, r' ', color=orange, size=18) plt.text(-0.8, 3, r' ',