Monotonic interpolation

1 · John Cook · July 10, 2021, 2:27 p.m.
Accuracy isn’t everything. Sometimes when you’re approximating a function you care more about matching a function’s qualitative behavior than matching its numerical values. One example is interpolating monotonic data. Say your data show that increasing input always increases output. It’s likely you want a function that interpolates your data to have the same property and […] The post Monotonic interpolation first appeared on John D. Cook....