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-rw-r--r--day1/exercise/four_plot.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/day1/exercise/four_plot.py b/day1/exercise/four_plot.py
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+x=linspace(-5*pi, 5*pi, 500)
+plot(x, x, 'b')
+plot(x, -x, 'b')
+plot(x, sin(x), 'g', linewidth=2)
+plot(x, x*sin(x), 'r', linewidth=3)
+legend(['x', '-x', 'sin(x)', 'xsin(x)'])
+annotate('origin', xy = (0, 0))
+title('Four Plot')
+xlim(-5*pi, 5*pi)
+ylim(-5*pi, 5*pi)
+show()