append string to each element in string cell array

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?

Answer 1

[Fangjun Jiang]

x_label = {'8'    '16'    '24'    '32'    '40'};
strcat(x_label,'GHz')

Answer 2

[Sean de Wolski]

x_label = { '8'    '16'    '24'    '32'    '40'}
x_labelGHz = cellfun(@(c)[c 'GHz'],x_label,'uni',false)

One way

[Leor Greenberger]

Fangjun's algorithm is simpler, but I am curious about how yours works.

The function you are using is:

@(c)[c 'GHz'] ?

an inline function of variable c? And I guess cellfun will set c = each element in x_label?

[Sean de Wolski]

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]

And it's not an inline function but a function handle; significantly faster and in current times more common.