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//Programming Example 8.12
//calculate Fibonacci number (F=1 for i<3, and F= F1+F2 for i>=3)
//Second File
function[f]=Fibonacci(count)
global f1;
global f2;
global first;
//As in static variables the initialization takes place only once
//but static is not available in scilab
// hence use of global variable first is made here
// and initialized only once..
if(first=="true") then
f1=1;
f2=1 ;
first="false" ;
end
if(count<3) then
f=1
else
f=f1+f2
end
f2=f1;
f1=f;
return f;
endfunction
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