day1/exercise/four_plot.py
branchscipy2010
changeset 416 3ec547912b3c
parent 396 502d4d151fa2
equal deleted inserted replaced
415:331aaca9d779 416:3ec547912b3c
     1 x=linspace(-5*pi, 5*pi, 500)
     1 x = linspace(-5*pi, 5*pi, 500)
     2 plot(x, x, 'b')
     2 plot(x, x, 'b')
     3 plot(x, -x, 'b')
     3 plot(x, -x, 'b')
     4 plot(x, sin(x), 'g', linewidth=2)
     4 plot(x, sin(x), 'g', linewidth=2)
     5 plot(x, x*sin(x), 'r', linewidth=3)
     5 plot(x, x*sin(x), 'r', linewidth=3)
     6 legend(['x', '-x', 'sin(x)', 'xsin(x)'])
     6 legend(['x', '-x', 'sin(x)', 'xsin(x)'])