FREE MATLAB Data Types & Structures Questions and Answers

Question 1

Which of the following data types in MATLAB is specifically designed to store collections of data of *different* types, where each element can be accessed by a unique field name?

Accepted Answer

Structure array

Answer

Cell array

Answer

Table

Answer

Numeric array

Question 2

You have a list of student names (strings) and their corresponding scores (numbers). Which MATLAB data structure would be most appropriate to store this data efficiently, allowing for easy access to a student's score given their name, without requiring all elements to be the same data type?

Accepted Answer

A table with 'Name' and 'Score' columns

Answer

A 2D numeric array

Answer

A cell array with two columns

Answer

A structure with 'Name' and 'Score' fields

Question 3

Which MATLAB data type is best suited for storing heterogeneous data where elements can be of different types and sizes, and you want to access them using numerical indices like a standard array?

Accepted Answer

Cell array

Answer

Structure array

Answer

Table

Answer

Character array

Question 4

Given the following MATLAB code: `data.name = 'Alice'; data.age = 30; data.city = 'New York';` What is the data type of the variable `data`?

Accepted Answer

Structure array

Answer

Cell array

Answer

Numeric array

Answer

Table

Question 5

You have a cell array `C = {'apple', 10, [1 2 3]; 'banana', 20, [4 5]};`. What is the result of `C{1, 3}`?

Accepted Answer

`[1 2 3]`

Answer

Error

Answer

`'apple'`

Answer

`10`

Question 6

Which of the following is the most memory-efficient way to store a collection of 10,000 logical (true/false) values in MATLAB?

Accepted Answer

A logical array (true, false)

Answer

A cell array of strings ('true', 'false')

Answer

A numeric array of doubles (1.0, 0.0)

Answer

A structure array with a field for each logical value

MATLAB FREE MATLAB Data Types & Structures Questions and Answers

Which of the following data types in MATLAB is specifically designed to store collections of data of different types, where each element can be accessed by a unique field name?