title: Exception in thread "main" java.lang.RuntimeException: Matrix is singular
body: <p>I'm just trying to create an inverse matrix  of a 3x3 matrix following  JAMA  documentation. But every time it's giving me the following error - </p>
  
  <p><code>Exception in thread "main" java.lang.RuntimeException: Matrix is singular</code></p>
  
  <p>Can anyone help me in this regard?</p>