序列逼近自然常数

1 files changed, 15 insertions, 0 deletions

diff --git a/fun_math/e.py b/fun_math/e.py
new file mode 100644
index 0000000..5b44ef8
--- /dev/null
+++ b/fun_math/e.py
@@ -0,0 +1,15 @@
+
+import matplotlib.pyplot as plt
+import math
+
+
+def fn(n):
+    return (1+1/n)**n
+
+
+
+if __name__ == '__main__':
+
+    plt.plot(range(1, 500), list(map(fn, range(1, 500))), marker='.')
+    plt.hlines(y=math.e, xmin=0, xmax=500, ls='dashed', color='gray')
+    plt.show()