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MATXSC

       SUBROUTINE  MATXSC (SX,SY,SZ)
 C$    (Transform -- Scaling Matrix)
 C$    Compute a scaling matrix which will multiply the X, Y,  and
 C$    Z coordinates by SX, SY, and SZ, respectively.
 C$
 C$    The stored transformation matrix is multiplied on the right
 C$    by the computed rotation matrix.
 C$
 C$    MATXSM() sets  the  stored  matrix  to  a  starting  value,
 C$    MATXIM() inquires the current  value, and MATXIO()  selects
 C$    printing of intermediate matrices.
 C$    (08-FEB-90)