A number in matlab by default uses how much memory?

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SUMMARY

In MATLAB, a number assigned to a variable, such as x = 5.5623, utilizes 8 bytes of memory, which corresponds to 64 bits. This is confirmed by using the whos command. The multiple-choice options provided in the discussion included incorrect answers, highlighting common misconceptions about data types and memory usage in MATLAB.

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A number in MATLAB by default uses how much memory?

my professor asked me this question today and I wasnt sure.

In MATLAB I assigned a random number to the variable x

>> x = 5.5623

and then used the "whos" command to determine how many bytes were stored. According to "whos", the number required 8 bytes of memory.

However, 8 wasnt part of the multiple choice.

the multiple choice were...

a. 64 bits
b. Depends on its length
c. 8 bits if it has no decimal, 32 bits if it has a decimal
d. 4 megabytes

could any1 shine some light on this problem for me, any advice would be much appreciated:smile:
 
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