mep: a pedestrian vector index list creator
creates - completely vectorized - a logical array/vector <lvec> with epochs/intervals set to <1|TRUE> according to a list of indices of the form:
begin = [b1 b2 ... bN]
end = [e1 e2 ... eN]
where <b>s and <e>s may overlap or be included within each other.
lvec=[b1:e1 b2:e2 ... bN:eN]
itself can be used to retrieve/assign values from a numerical construct, eg,
vec(1,2,lvec)=nan;
help mep
vix = mep(v,ixb,ixe)
vix = mep(v,[ixb;ixe])
to create epochs
returns in VIX a <logical> array with epochs set to
true: ixb(1)->ixe(1) ... ixb(N)->ixe(N)
false: otherwise
correctly handles epoch overlaps/inclusions/reversals
v: vector (to size VIX, is not changed)
ixb: list of indices BEGIN epoch
ixe: list of indices END epoch
% examples
z=zeros(1,10);
vix=mep(z(1,:),[1 5],[3 10]);
z(1,vix)=1
% 1 1 1 0 1 1 1 1 1 1
z=zeros(1,10);
vix=mep(z(1,:),[2 3 2 6 9],[2 3 4 7 10]);
z(1,vix)=1
% 0 1 1 1 0 1 1 0 1 1
z='----------';
vix=mep(z,[[1 3 6];[4 4 8]]);
z(vix)='+'
% ++++-+++--
Citation pour cette source
us (2025). mep: a pedestrian vector index list creator (https://www.mathworks.com/matlabcentral/fileexchange/2479-mep-a-pedestrian-vector-index-list-creator), MATLAB Central File Exchange. Extrait(e) le .
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Version | Publié le | Notes de version | |
---|---|---|---|
1.0.0.0 | enhanced help |