What does this error mean?
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Unable to perform assignment because the left and right sides have a different number of elements.
Error in lab26_kpetting (line 46)
acc(idx) = (px(idx)-Ffriction)/mass;
回答（1 个）
Image Analyst
2023-12-5
If idx is a single number, then acc(idx) needs to be a single number. Evidently something in your expression is an array. Try this:
idx
size(idx)
size(px(idx))
size(Ffriction)
size(mass)
What do you see? One of them does not have a size of 1. It's not a scalar. One of them is an array with multiple elements.
Or else Ffriction doesn't have the same number of elements as idx.
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2023-12-5
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