When we introduced the idea that the r in (r,theta) can be negative, it made me wonder if the r is a vector. Is it?
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Originally Posted by lamp23 When we introduced the idea that the r in (r,theta) can be negative, it made me wonder if the r is a vector. Is it? No, it isn't... r is a real variable and a vector is a set of n real variables, with n>1... Kind regards
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