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Simtel MSDOS 1992 December
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turbopas
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pas_sci.arc
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SQUARE.LIB
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1985-07-21
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640b
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33 lines
procedure square(x: ary2;
y: ary;
var a: ary2s;
var g: arys;
nrow,ncol: integer);
{ matrix multiplication routine }
{ a= transpose x times x }
{ g= y times x }
var
i,k,l : integer;
begin { square }
for k:=1 to ncol do
begin
for l:=1 to k do
begin
a[k,l]:=0.0;
for i:=1 to nrow do
begin
a[k,l]:=a[k,l]+x[i,l]*x[i,k];
if k<>l then a[l,k]:=a[k,l]
end
end; { l-loop }
g[k]:=0.0;
for i:=1 to nrow do
g[k]:=g[k]+y[i]*x[i,k]
end { k-loop }
end; { square }