There&#x27;s also this interactive page for eigen- vectors and values: <a href="http:&#x2F;&#x2F;setosa.io&#x2F;ev&#x2F;eigenvectors-and-eigenvalues&#x2F;" rel="nofollow">http:&#x2F;&#x2F;setosa.io&#x2F;ev&#x2F;eigenvectors-and-eigenvalues&#x2F;</a> (as well as a sibling for PCA: <a href="http:&#x2F;&#x2F;setosa.io&#x2F;ev&#x2F;principal-component-analysis&#x2F;" rel="nofollow">http:&#x2F;&#x2F;setosa.io&#x2F;ev&#x2F;principal-component-analysis&#x2F;</a>)