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how can i print an array using fprintf function?

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Salman Yahya
Salman Yahya 2019 年 10 月 22 日
編集済み: dpb 2019 年 10 月 22 日
i tried printing an array
array = [1 2 3];
with fprintf funtion,like this
fprintf('array = %1.0f', array);
but i am getting result in this form:
array = 1array = 2array3
can anyone help me resolving this problem?
i want to get result in this form
array = 1 2 3
array = [1 2 3]

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dpb 2019 年 10 月 22 日
編集済み: dpb 2019 年 10 月 22 日
You didn't put but one numeric formatting string in the format; hence, the whole thing repeats as often as needed to output the array. You needs must count the array and build the format string to match:
fmt=['array =' repmat(' %1.0f',1,numel(array))];
NB: The above will echo to screen w/ a newline which may or may not be desired behavior depending upon the application. If want to just display the above on the command line w/ next prompt on new line instead of at end of the string, have to add the \n explicitly:
fmt=['array =' repmat(' %1.0f ',1,numel(array)) '\n'];
One last little nuance: notice didn't put a blank after the '=' sign; that's in front of the numeric format string after the equal would end up doubling-up for the first element.

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