将严格递增的图形变成正弦律图形

Making a scrictly increasing graph into a sinus rhythm sort of graph

现在我有这样一张图:

但是我想把上面的图做成这样:

谁能指导我如何使用 Matplotlib 做到这一点?

尝试绘制时间序列的一阶差分,例如:

# sample data (this is your "before" data):
df = pd.DataFrame({'data you are plotting now': [1, 2, 3, 4]})

# new data to plot:
df['new data'] = df['data you are plotting now'] - df['data you are plotting now'].shift()

假设 data['data you are plotting now'] 是您当前的时间序列

我要补充一点,通常您应该添加代码和输入数据以及预期的输出数据而不是图像。