Renaming loaded variable with initially unknown name

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Pratyay Sengupta
Pratyay Sengupta am 30 Mär. 2021
Kommentiert: Stephen23 am 31 Mär. 2021
Hello All,
Currently I am working with genome scale models. So, I have .mat files of those models. After loading the files, I get random variables (suppose: xyz, data type: 1x1 struct) in my workspace. I want to fetch variables inside the loaded variable. Like xyz.reactions or xyz.genes. But I am unable to get the name 'xyz'. How can I rename them automaically without knowing the variable names?
I tried > model = load('filename.mat'); but this creates a struct with the unknown name inside model, so unable to fetch variables in it.
Any suggestions would be highly appreciated!
Thanks!

Akzeptierte Antwort

Steven Lord
Steven Lord am 30 Mär. 2021
data = load('census.mat')
data = struct with fields:
cdate: [21×1 double] pop: [21×1 double]
variableNames = fieldnames(data)
variableNames = 2×1 cell array
{'cdate'} {'pop' }
dataFromVariable1 = data.(variableNames{1})
dataFromVariable1 = 21×1
1790 1800 1810 1820 1830 1840 1850 1860 1870 1880
fprintf('Variable %s from census.mat is %s\n', variableNames{1}, mat2str(dataFromVariable1))
Variable cdate from census.mat is [1790;1800;1810;1820;1830;1840;1850;1860;1870;1880;1890;1900;1910;1920;1930;1940;1950;1960;1970;1980;1990]

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