How to remove varying noise from strain data in MATLAB

1. How do I remove noise from data in Matlab?
2. How do I get rid of high-frequency noise in Matlab?

How do I remove noise from data in Matlab?

You can use linear filtering to remove certain types of noise. Certain filters, such as averaging or Gaussian filters, are appropriate for this purpose. For example, an averaging filter is useful for removing grain noise from a photograph.

How do I get rid of high-frequency noise in Matlab?

A low-pass filter is a common techqnique for removing high-frequency noise in a signal.