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Adding elements to an array

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Max
Max 2015-11-7
编辑： Stephen23 2015-11-7
say I have an array
x=[0,0,2,3,4]
and a code
for n=1
if (10^n)*p<q
n=n+1;
elseif (10^n)*p>q
break
end
end
is there a way to add an extra 0 to the start of x if my n value goes up. for example. If n is one x=[0,0,2,3,4] and if n is 2 x=[0,0,0,2,3,4] and if n=3 x=[0,0,0,0,2,3,4] and so on. Thanks for the help.

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Stephen23
Stephen23 2015-11-7
编辑：Stephen23 2015-11-7
new_x = [zeros(1,n-1),x]

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