
    <a href="squared.html">squared</a>    - Squares the modulus of its argument:  <a href="squared.html">SQUARED</a>(X)=ABS(X).^2
  
  Matrices, polynomials, and special functions
    <a href="jmat2.html">jmat2</a>      - 2x2 rotation matrix through specified angle.                       
    <a href="jmat3.html">jmat3</a>      - 3x3 rotation matrix through specified angle.  
    <a href="tmat.html">tmat</a>       - 2x2 complex grouping matrix.  <a href="tmat.html">TMAT</a> = [1  i; 1 -i] / SQRT(2)
    <a 