function retuning the whole vector

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Omar Keele
Omar Keele 2021-2-21
评论： Walter Roberson 2021-2-22
I have a function that input a matrix and a vector
function s= solve(A, b)
for i=1:N
s(i)= something
end
end
I want it to retunr the whole vector, like if disp(Solve(something)) would output a vector !
Can I use the return command here ?

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回答（1 个）

Walter Roberson
Walter Roberson 2021-2-21
Ran in:
That code outline already returns a whole vector. For example,
disp(mysolve(magic(6), [6;5;5;3;2;1]))
385 347 381 439 455 435
function s = mysolve(A,b)
for i = 1 : size(A,1)
s(i) = dot(A(i,:), b);
end
end
  4 个评论
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Omar Keele
Omar Keele 2021-2-22
First line, N=size()
Is the order of filling the vector relevant?
Walter Roberson
Walter Roberson 2021-2-22
You take size(b, 2) which is the number of columns in b. But suppose you were passed a column vector then the number of columns would be 1.

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