CAT arguments dimensions are not consistent

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Werner
Werner 2013-10-29
评论： Matt J 2013-10-29
Hi I am getting the following error :
*??? Error using ==> horzcat
CAT arguments dimensions are not consistent.*
But I am pretty sure that the dimensions are consistent. Please see below:
>> fn_trades = horzcat(trades.textdata(2:length(trades.textdata),1:2), trades.data(1:length(trades.data),1:2))
??? Error using ==> horzcat
CAT arguments dimensions are not consistent.
>> size(trades.textdata(2:length(trades.textdata),1:2))
ans =
1927 2
>> size(trades.data(1:length(trades.data),1:2))
ans =
1927 2
As you can see, the sizes of the two vectors are the same. So horizontal concatenation should work ??
Any ideas ?
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Werner
Werner 2013-10-29
OK, found the answer. The first argument produces two text columns, while the second gives numeric. So it doesn't want to cat.
This works (note the num2cell):
fn_trades = [trades.textdata(2:length(trades.textdata),1:2) num2cell(trades.data(1:length(trades.data),1:2))]
Matt J
Matt J 2013-10-29
That wouldn't account for a dimension mismatch error. You can cat char with double, e.g.,
>> ['aa' 66,67]
ans =
aaBC

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