what is the code to apply filters (lowpass and highpass) for signals read?
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Amith Kamath on 3 Jan 2013
Assuming you have the Signal Processing Toolbox installed, you could use the FDA Tool to specify the parameters for your filter. Some info is here: http://www.mathworks.com/help/signal/examples/introduction-to-the-filter-design-and-analysis-tool-fdatool.html
Now that you have the required characteristics, export it to the workspace, and operate it on y using http://www.mathworks.com/help/matlab/ref/filter.html.