Seite - 19 - in Programming for Computations – Python - A Gentle Introduction to Numerical Simulations with Python

1.5 MoreBasicConcepts 19 Fig.1.2 Generatedplot for theheightsof familymembers fromtwo families from numpy import zeros import matplotlib.pyplot as plt h = zeros(4) h[0] = 1.60; h[1] = 1.85; h[2] = 1.75; h[3] = 1.80 H = zeros(4) H[0] = 0.50; H[1] = 0.70; H[2] = 1.90; H[3] = 1.75 family_member_no = zeros(4) family_member_no[0] = 0; family_member_no[1] = 1 family_member_no[2] = 2; family_member_no[3] = 3 plt.plot(family_member_no, h, family_member_no, H) plt.xlabel(’Family member number’) plt.ylabel(’Height (m)’) plt.show() Running theprogramgives theplot shown inFigure1.2. Alternatively, the twocurvescouldhavebeenplotted in the sameplot byuseof twoplot commands,whichgivesmore freedomas tohowthecurvesappear. Todo this, youcouldplot thefirst curveby plt.plot(family_member_no, h) plt.hold(’on’)