c# - How to replicate what Excel does to plot a Scatter with smooth lines graph - Stack Overflow

I need to replicate an Excel "Scatter with Smooth Lines" graph in code. I'm trying to use a line with Highcharts, so I'm must get the data that Excel uses to build the smooth line. This is Excel

Why does excel plot my data like this? : r/excel

c# - How to replicate what Excel does to plot a Scatter with smooth lines graph - Stack Overflow

market data - Interpolation of FX Vol Surface from non-uniform strike vs tenor grid - Quantitative Finance Stack Exchange

When you use a smoothed line chart, your data is not affected, it's misrepresented!

Plotly tutorial - GeeksforGeeks

R Language PDF, PDF, Database Index

net Charting Version History

Plotly tutorial - GeeksforGeeks

c# - How to replicate what Excel does to plot a Scatter with smooth lines graph - Stack Overflow

Excel chart smoothing algorithm - Stack Overflow