jens
1ab94a4bea
git-svn-id: http://moon:8086/svn/matlab/trunk@99 801c6759-fa7c-4059-a304-17956f83a07c
24 lines
365 B
Matlab
Executable File
24 lines
365 B
Matlab
Executable File
function [y, zf] = movingavg(x, zi)
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if ~isstruct(zi)
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N = zi;
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zf = struct('N', N, 's', zeros(N+1, 1), 'ri', 2, 'wi', 1, 'y', 0);
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else
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zf = zi;
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end
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xn = x/zf.N;
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zf.y = zf.y + xn - zf.s(zf.ri);
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y = zf.y;
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zf.ri = zf.ri + 1;
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if zf.ri > length(zf.s)
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zf.ri = 1;
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end
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zf.s(zf.wi) = xn;
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zf.wi = zf.wi + 1;
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if zf.wi > length(zf.s)
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zf.wi = 1;
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end
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