can i used cellfun with a function which has more than one input?

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Charles
Charles 2017 年 10 月 8 日
コメント済み: Cedric Wannaz 2017 年 10 月 8 日
Hello I have a function as follows
[ chart_datavortex ] = chart_funcv( 'AUD_USD', New_dataopenbidx, New_datahighbidx, New_datalowbidx,New_datax, New_datavol )
The function takes 6 inputs, however i wish to use CELLFUN so as to input an array of the first input. Thus I want to do something like the following
C = {'GBP_USD', 'GBP_AUD', 'USD_CAD'}
A = cellfun(chart_funcv,C)
This fails with error
Not enough input arguments.
Please advise

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Cedric Wannaz
Cedric Wannaz 2017 年 10 月 8 日
編集済み: Cedric Wannaz 2017 年 10 月 8 日
Yes, use an anonymous function (or define a function inline => name your anonymous function) to wrap the call to chart_funcv, and pass the wrapper to CELLFUN:
C = {'GBP_USD', 'GBP_AUD', 'USD_CAD'} ;
wrapper = @(x) chart_funcv( x, New_dataopenbidx, New_datahighbidx, New_datalowbidx,New_datax, New_datavol ) ;
A = cellfun( wrapper, C ) ;
If the output of the function is not scalar, set 'UniformOutput' to false in the call to CELLFUN:
A = cellfun( wrapper, C, 'UniformOutput', false ) ;
and A will be a cell array of (non-scalar) outputs.
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Cedric Wannaz
Cedric Wannaz 2017 年 10 月 8 日
My pleasure!

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