You want to save all variables except temp to a MAT file named final.mat. Which approach correctly achieves this?

hard📝 Application Q9 of 15

MATLAB - File I/O

You want to save all variables except temp to a MAT file named final.mat. Which approach correctly achieves this?

Asave('final.mat', '-exclude', 'temp');

Bsave('final.mat', '-except', 'temp');

Csave('final.mat', 'all', '-exclude', 'temp');

Dclear temp; save('final.mat');

Step-by-Step Solution

Solution:

Step 1: Understand MATLAB save options
MATLAB does not support '-except' or '-exclude' flags in save command.
Step 2: Use clear to remove unwanted variable before saving
Clearing temp removes it from workspace, so save saves all remaining variables.
Final Answer:
clear temp; save('final.mat'); -> Option D
Quick Check:
Remove variables before save to exclude them [OK]

Quick Trick: Clear variables before save to exclude them [OK]

Common Mistakes:

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