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Which of the following is the correct way to access a dynamic field named by variable fld in structure data?

easy📝 Syntax Q3 of 15
MATLAB - Cell Arrays and Structures
Which of the following is the correct way to access a dynamic field named by variable fld in structure data?
Adata.fld
Bdata.(fld)
Cdata[fld]
Ddata->fld
Step-by-Step Solution
Solution:
  1. Step 1: Recall syntax for accessing dynamic fields

    Use parentheses and dot: structure.(variable)
  2. Step 2: Evaluate options

    Only data.(fld) matches correct syntax: data.(fld)
  3. Final Answer:

    data.(fld) -> Option B
  4. Quick Check:

    Access dynamic field = data.(fld) [OK]
Quick Trick: Always use parentheses for variable field names [OK]
Common Mistakes:
  • Using dot without parentheses
  • Using square brackets which is invalid
  • Using arrow operator which is not MATLAB syntax

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