How can I add all the variables to the data structure?

I have 7 variables (all are the data matrices) and I want them in a single data structure.

There are the variables:

Name Value

Em 125×1 double

Ex 125×1 double

nEm 125

nEx 121

nSample 28

X 28x125x121 double

XBackup 28x125x121 double

I want them all in a data structure called OriginalData .

How can I do that?

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