title: How to filter ECG signal using Armadillo?
body: <p>How to filter ECG signal using Armadillo in C++ Qt?</p>
  
  <p>I get ECG Data:</p>
  
  <pre><code>        data = frame.mid(1, 19);
          QList&lt;QByteArray&gt; splitData = data.split(',');
          QString ekgString(splitData[0]);
          double EkgValue = ekgString.toDouble();
  </code></pre>
  
  <p>Best</p>