add character in a certain position in character array-matlab2015b

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Maria K
Maria K 2017-10-16
评论： Maria K 2017-10-16
Hello! Is there anyway I can add a new character in a certain position of a character array? For example I have 'ABCD' and i want to create a new array that has 'ABCTD'. I am using Matlab 2015b so the insertAfter command won't work... Thanks on advance!

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Walter Roberson
Walter Roberson 2017-10-16
For string S and insertion at position N+1 (that is, after position N), then
[S(1:N), NewText, S(N+1:end)]
There is no function provided for this purpose, but you can create one easily. You might want to consider generalizing to allow inserting a new column into a character array (the above is for a character vector), perhaps offering the special case of inserting the same character for every row if the replacement is not a column. Perhaps,
function NewCharArray = insertAfter( CharArray, Position, WhatToInsert)
NewCharArray = char( strcat( cellstr(CharArray(:,1:Position)), cellstr(WhatToInsert), cellstr(CharArray(:, Position+1:end)) ) );
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