How to plot vectors within in a for loop using a variable?

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shatha almarri
shatha almarri 2021-2-14
回答： Jan 2021-2-14
I have some coloumn vectors in my workspace named x1, x2, x3 and y1, y2, y3
I want to make a for loop to plot x,y for each of these, im not sure of how the syntax should be but would something like this be possible:
for i = 1:3
plot (x(i), y(i)) *** not sure how this line should look (i want to plot x1 vs y1 then in the second loop plot x2 vs y2 etc...)
hold on
end

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采纳的回答

Walter Roberson
Walter Roberson 2021-2-14
x = {x1, x2, x3} ;
y = {y1, y2, y3} ;
for i = 1:3
plot(x{i} , y{i}) ;
hold on
end

更多回答（1 个）

Jan
Jan 2021-2-14
See: TUTORIAL: EVAL
Using variables called x1, x2, ... hides an index in the names. Don't do this, because it is a shot in your knee. Use indices instead: x{1}, x{2}, ...
Then see the code Walter has suggested.

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