00344nam a2200121 a 4500008004100000050001500041100001600056245002500072246006100097260003100158300002400189350000900213120416s1984    ||||||||||||||||| ||    u  aQA 188 Mas  aMason, J. C10aBASIC matrix methods  aincluding applications in approximation and data fitting  aLondonbButterworthsc1984  a[xii], 160p. : ill.  a0.00