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Index loop into matrix

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Simon Kibsgaard
Simon Kibsgaard 2020-12-2
评论： Simon Kibsgaard 2020-12-2
Hi
Im very new to MatLab.
Im trying to get this loop to produce a 10x3 matrix and not 10 sepperate answers.
triCoord=10x9
ntri = 10
qTop = zeros(ntri,3)
for n=1:ntri
qTop =[]
qTop(n,:) = [qTop
mean(triCoord(n,[1 4 7])),mean(triCoord(n,[2 5 8])),mean(triCoord(n,[3 6 9]))]
end
qTop

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采纳的回答

VBBV
VBBV 2020-12-2
triCoord= zeros(10,9);
ntri = 10
qTop = zeros(ntri,3);
for n=1:ntri
qTop(n,:) = [mean(triCoord(n,[1 4 7])),mean(triCoord(n,[2 5 8])),mean(triCoord(n,[3 6 9]))];
end
qTop

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