Unexpected resul when trying to plot from array "empty double row vector"

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Em
Em 2021-11-10
回答： Steven Lord 2021-11-10
Hi everyone,
When I try to plot the following:
x305a=table2array(x305);
x305a(404:end,1)
I recieve this
>> x305a(1,404:end)
ans = 1×0 empty double row vector
Does anyone have any ideas what could be going on? The array is filled correctly

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回答（1 个）

Steven Lord
Steven Lord 2021-11-10
Ran in:
% >> x305a(1,404:end)
Most likely x305a has fewer than 404 columns. As a smaller example:
x = 1:10;
x(1, 11:end) % 11:end is 11:10 which is empty
ans = 1×0 empty double row vector

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