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%% Running Standard Deviation %% % *Note*: This example runs only in R2016b or later. If you are using an % earlier release, replace each call to the function with the equivalent % |step| syntax. For example, myObject(x) becomes step(myObject,x). %% % Compute the running standard deviation of a signal using % |dsp.StandardDeviation| object. To activate this mode, set the % |RunningStandardDeviation| property to |true|. hstd2 = dsp.StandardDeviation; hstd2.RunningStandardDeviation = true; x = randn(100,1); y = hstd2(x); %% % y(i) is the standard deviation of the ith input sample with respect to % all the past input samples.