Non-monotonic interpolation error

Hi everyone,

I do have a very complex problem using interpolation on a mutiple set of data with 3 different measuring tools. My data contains:

1. Temperature data that fluctuates thru time
2. Height measurement that corresponds to the time the temperature measurement was taken.

To summarize, I have 6 variables that has different time intervals, temperature and height data. What I wanted to do is to interpolate each of the dataset to a common height. Now, some of the temp data from each set are recurring (ex. cell1: 20 cell2: 20 cell3:20). To make it complicated, I cant change the data (add or subtact small points) coz its hypersensitive.

Is there a way to solve this? Thank you very much for the help, Im pretty much new to using matlab.

Answer 1

[Walter Roberson]

No, there is no way to solve that problem. The process of interpolating changes the data, so even if you did not have the non-monotonic error, you would be violating your requirement that you cannot change the data.