How can I find a Value with the smallest error in my Matrix?

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Lukas Nuschele
Lukas Nuschele 2019-12-11
回答： David Hill 2019-12-11
Hey,
The code below finds values("Tempvalues") out of a predefined RGB Scale ("RGB"), output "x" shall be the number of the row this value occurs.
How can I find the value of a Matrix "Tempvalue=100x3" within a "RGB=875x3" Matrix with the smallest error if an exact value doesn´t exist in this matrix?
Thanks for you help, if any questions feel free to ask :)
Greetings Lukas
x=0;
for i=1:100
Tempvalue=RGBTemp(i,:);
x=find(ismember(RGB,Tempvalue,'rows'));%will give you the column numbers of RGB that match Tempvalue
if x~=0
break;
end
else % How can i find the value of "Tempvalue" in "RGB" with the smallest error
end

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David Hill
David Hill 2019-12-11
min(abs(RGB-Tempvalue));

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