MATLAB: Find and replace missing value in a 1*1 struct with 34 fields

dynamic field namesmissing valuenanstructstructures

I have a 1*1 struct with 34 fields. every field is a 3d array by itself. A picture of it attached. I want to have a code to find -9.969209968386869e+36 in everywhere of this struct (including inside fields) and replace it with NaN.
thank you

Best Answer

How about (untested)
% Get all the field names with this structure.
fieldNames = fieldnames(precip)
for k = 1 : length(fieldNames)
    thisFieldName = fieldNames{k}; % Get this field name.
    thisField = precip.(thisFieldName); % Get the 3-D array.
    % Use ismembertol() to look for the specified value.
    indexes = ismembertol(thisField, whatever)
    % Replace those locations with nans.
    thisField(indexes) = nan;
    % Put back into precip.
    precip.(thisFieldName) = thisField;
end
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