help me loop i cant understand it

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George Georgy
George Georgy 2018-3-30
回答： M 2018-3-30
for q1 = [1 2 -1;3 0 2] for q2 = [2 1] a = q2*q1; fprintf('the sum of a =%4.2f\n',sum(a)) end end

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M
M 2018-3-30
Try this to see if it is gets clear to you:
for q1 = [1 2 -1;3 0 2]
for q2 = [2 1]
a = q2*q1;
fprintf('the sum of (%d %d) and %d is a =%4.2f\n',q1,q2,sum(a))
end
end

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