I want to normalize the elements of the following vector using the first element. I want the first element of my vector 'stock_market' to be 100 and the other elements of the vector to be normalized according to that value. I used the normalize function:

stock_market = readmatrix('^FTSE.csv' , 'Range' , 'F2:F313')

norm_stock_market = normalize(stock_market , 'scale' , 'first' , '100')

but I am getting an error.

Any help would be appreciated. Thanks!

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