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what is deferent between Matlab2013a "ones" function with Matlab2013b

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dear all, i used a code in matlab2013a and it get answer to me, the code is :
out10=cell2mat(arrayfun(@(x,y) x*ones(y,1),M10(:,1),M10(:,2),'un',0))
, But now i change my matlab to 2013b and the code doesnt work , the error is:
Error using ones
Size inputs must be integers.
Error in @(x,y)x*ones(y,1)
what is wrong with it? thanks

Respuesta aceptada

Julia el 2 de Dic. de 2014
you use x and y as function parameters, so they can have non-integer values. But ones() creates a matrix, which needs to have integer values as dimensions.

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