// to do binary search..
function[]=search(a)
    i=1;
    [j,k]=size(a);
            for i=1:k
                if x==a(i) then
                    printf("\nFOUND and index no. is=%d\t",i);
                end
            end
        funcprot(0);
endfunction
//callin routine
a=[5 7 45 28 99]
x=45
binary=search(a)