Which of following options is the output of the following code snippet:

clc; clear;

word = 'a';
word(3) = 'b';
word = [word 'c'];
word = [word ' ' 'd'];
fprintf('%s', word);

Question

Which of following options is the output of the following code snippet:

clc; clear;

word = 'a';
word(3) = 'b';
word = [word 'c'];
word = [word '   '  'd'];
fprintf('%s', word);

BlackTom AI · Accepted Answer

The task presents a MATLAB/Octave-style code snippet and asks which option is the output. However, the provided answer_options array is empty, so there are no explicit choices to evaluate point-by-point.

To understand the output, analyze the code step by step:
1) word = 'a';
   - word is a 1-by-1 character array containing the letter a.
2) word(3) = 'b';
   - Accessing index 3 when the vector length is 1 extends the array to length 3. MATLAB fills the new positions with spaces. After this statement, word becomes 'a b' (i.e., the characters: 'a', space, 'b').
3) word = [word 'c'];
   - Concatenating 'c' to the right yields 'a bc' (characters: 'a', space, 'b', 'c').
4) word = [word '   '  'd'];
   - This line appends a sequence consisting of spaces and the letter d. The exact number and type of spaces shown in the code snippet appear as non-breaking spaces in the display, but the intent is to append some spaces followed by 'd'. The result is a longer string that ends with 'd', with spaces preceding it.
5) fprintf('%s', word);
   - This prints the final string stored in word without a trailing newline.

Putting it together, the final output is a string that starts with 'a bc' and ends with 'd', with embedded spaces between segments. This aligns with the provided answer 'a bc d'.

Since there are no alternative answer options to compare against, we cannot evaluate which choice is correct or incorrect. If you intended to include multiple choices, please provide the option list so we can perform a comparative, option-by-option analysis and explain why each choice is right or wrong.

Note on potential ambiguities: The exact spacing in the final part of the string depends on the precise characters represented by the snippet (especially the non-breaking spaces in the quotes). In a typical MATLAB environment, the constructed sequence would yield a readable string like 'a bc   d' if multiple spaces are inserted; given the display shows a single 'd' separated by spaces, the expected visible output is commonly presented as 'a bc d'.

COP2271 M9 Quiz: Strings!

Which of following options is the output of the following code snippet: clc; clear; word = 'a'; word(3) = 'b'; word = [word 'c']; word = [word ' ' 'd']; fprintf('%s', word);

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