MATLAB Answers

How to compare two logical arrays

161 views (last 30 days)
I would like to compare two logical cell arrays, creating a third logical cell array returning true for when index values of both logical cell arrays are true.
My error;
Undefined unary operator '~' for input arguments of type 'cell'.
Is there a way to do this for cell?
Many thanks
% the two different logical arrays produced by cellfun:
fun_stf_p = cellfun(@(x) x >= stf_p_lb & x <= stf_p_ub, PRES, 'UniformOutput', false);
fun_stf_s = cellfun(@(x) x >= stf_s_lb & x <= stf_s_ub, PSAL, 'UniformOutput', false);
% Create a third logical cell array for which both cell arrays return true
fun_stf = ~fun_stf_p & ~fun_stf_s; % doesn't work
Rhiannon Jones
Rhiannon Jones on 6 Jun 2019
Both cell arrays are a series of double arrays which match in dimension between the cell arrays, but change size within the cell array.

Sign in to comment.

Accepted Answer

Matthew Sisson
Matthew Sisson on 6 Jun 2019
Edited: Matthew Sisson on 6 Jun 2019
One option is to continue using cellfun for this, as follows:
fun_stf = cellfun(@(x,y) ~x & ~y,fun_stf_p,fun_stf_s)
Another option is to convert to a double and then back again. Is there a reason why you are using cell arrays in the first place? If vectors are all the same length, working with logical arrays will be easier & faster.
Rhiannon Jones
Rhiannon Jones on 6 Jun 2019
I'm guessing this would be x==1 & y==1 instead of ~x & ~y, which seems to be working

Sign in to comment.

More Answers (0)

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by