A number in matlab by default uses how much memory?

  • Thread starter Thread starter gpax42
  • Start date Start date
  • Tags Tags
    Matlab Memory
Click For Summary
SUMMARY

A number in MATLAB by default occupies 8 bytes of memory, which corresponds to 64 bits. This was confirmed using the "whos" command after assigning a random number to a variable. The multiple-choice options provided in the discussion included incorrect answers, as the correct memory usage is not dependent on the number's length or its decimal status. Understanding MATLAB's memory allocation for numeric types is essential for efficient programming.

PREREQUISITES
  • Familiarity with MATLAB programming environment
  • Understanding of data types and memory allocation
  • Knowledge of the "whos" command in MATLAB
  • Basic concepts of bits and bytes
NEXT STEPS
  • Research MATLAB data types and their memory usage
  • Learn about MATLAB's variable storage and optimization techniques
  • Explore the "whos" command and its applications in memory management
  • Investigate how MATLAB handles numeric precision and representation
USEFUL FOR

Students, educators, and developers working with MATLAB who need to understand memory management and data type implications in their programming practices.

gpax42
Messages
25
Reaction score
0
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:
 
Physics news on Phys.org

Similar threads

Engineering How Can MATLAB Be Used to Analyze Signal Duration and Frequencies Using DFT?
  • · Replies 1 ·
Replies
1
Views
3K
MATLAB A number in matlab by default uses how much memory?
  • · Replies 1 ·
Replies
1
Views
3K
Average number of memory accesses?
  • · Replies 7 ·
Replies
7
Views
2K
Why Do MATLAB and My Calculator Show Different Results for g(x) and h(x)?
  • · Replies 1 ·
Replies
1
Views
2K
RAM memory diagram using decoders
  • · Replies 1 ·
Replies
1
Views
2K
Comp Sci How can a 13 bit number represent 16 bit number?
  • · Replies 8 ·
Replies
8
Views
3K
Engineering HL Programming: Mini-Assembler in Java
  • · Replies 7 ·
Replies
7
Views
3K
Analyzing Cache Memory System Characteristics
  • · Replies 6 ·
Replies
6
Views
4K
Questions about the operation of this C68MX11 CPU
  • · Replies 7 ·
Replies
7
Views
4K
Comp Sci Calculate the two's complement of a given 16 bit number
  • · Replies 2 ·
Replies
2
Views
2K