What does it mean for THETA and RHO to be the same size?

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Bella Finkel
Bella Finkel 2015-12-6
回答： doghri ahmed 2016-8-18
I am trying to make a spirographic plot by identifying values for t and r, but when I use the function polar to plot them I receive the message "Error using polar THETA and RHO must be the same size." What does this mean and how can I fix it?

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Geoff Hayes
Geoff Hayes 2015-12-6
Bella - the error message is telling you that the theta and rho inputs to the polar function must be of the same size or dimension. If the (for example) theta input is an nx1 array, then so must be the rho input. Ensure both are the same size and try again!

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doghri ahmed
doghri ahmed 2016-8-18
above what was mentioned above make sure that they are of the same shape too: both either column or row vectors.

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