error using Polyfit, X and Y vectors must be the same size

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Jovos
Jovos 2016-2-15
编辑： Jovos 2016-2-16
plot(flip(AdjClose))
y = flip(AdjClose)
x = 1:503;
polyfit(y,x,0)
x is a 503*1 double and y is a 1*503 double. I wonder how can I make them the same size?

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the cyclist
the cyclist 2016-2-16
编辑：the cyclist 2016-2-16
You can use the transpose function. For example, you could have done
y = flip(AdjClose).'

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