append string to each element in string cell array

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Leor Greenberger
Leor Greenberger 2011-10-14
x_label =
'8' '16' '24' '32' '40'
How can I append ' GHz' to each element in the cell array? Thanks! Can it only be done with a for loop?

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采纳的回答

Fangjun Jiang
Fangjun Jiang 2011-10-14
x_label = {'8' '16' '24' '32' '40'};
strcat(x_label,'GHz')

更多回答（1 个）

Sean de Wolski
Sean de Wolski 2011-10-14
x_label = { '8' '16' '24' '32' '40'}
x_labelGHz = cellfun(@(c)[c 'GHz'],x_label,'uni',false)
One way
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Sean de Wolski
Sean de Wolski 2011-10-14
yes, cellfun is basically a for loop that does the function to each cell.
The @(c)[c 'GHz'] takes a cell, c, and concatenates it horizontally with 'GHz'. I agree Fangjun's method is better for this case, I don't think I've ever used strcat before. cellfun is more powerful for other things. Perhaps if you wanted the strings as column vectors:
@(c)[c 'GHz'].'
Sean de Wolski
Sean de Wolski 2011-10-14
And it's not an inline function but a function handle; significantly faster and in current times more common.

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