اعداد (Number)، در متلب(1)

clear all
close all
clcget(0,’FormatSpacing’)

ans =

loose

ans =

short

format % format short
format long
format shortEng
format longEng
format shortG
format longG
format shortE
format longEformat +
format bank
format hex
format rat

format compact
format loose

A = 123456789123456789123456789;
B = [123456789123456789123456789, 987654321987654321987654321];
C = 1.23456789123456789123456789;
D = [1.23456789123456789123456789, 9.87654321987654321987654321];

clear all
close all
clcA = 123456789123456789123456789;
B = [123456789123456789123456789, 987654321987654321987654321];
C = 1.23456789123456789123456789;
D = [1.23456789123456789123456789, 9.87654321987654321987654321];

%—————- Format :

format % format short
disp(‘———————— format (format short) : ‘)
A
B
C
D

format long
disp(‘———————— format long : ‘)
A
B
C
D

format shortEng
disp(‘———————— format shortEng : ‘)
A
B
C
D

format longEng
disp(‘———————— format longEng : ‘)
A
B
C
D

format shortG
disp(‘———————— format shortG : ‘)
A
B
C
D

format longG
disp(‘———————— format longG : ‘)
A
B
C
D

format shortE
disp(‘———————— format shortE : ‘)
A
B
C
D

format longE
disp(‘———————— format longE : ‘)
A
B
C
D

% default :  format = format short
format

format +
disp(‘———————— format + : ‘)
A
B
C
D

format bank
disp(‘———————— format bank : ‘)
A
B
C
D

format hex
disp(‘———————— format hex : ‘)
A
B
C
D

format rat
disp(‘———————— format rat : ‘)
A
B
C
D

% default
format % format short

%—————- FormatSpacing :

format compact
disp(‘———————— format compact : ‘)
A
B
C
D

format loose
disp(‘———————— format loose : ‘)
A
B
C
D

% default
format % format short
format loose

———————— format (format short) :

A =

   1.2346e+26

B =

   1.0e+26 *

    1.2346    9.8765

C =

    1.2346

D =

    1.2346    9.8765

———————— format long :

A =

     1.234567891234568e+26

B =

   1.0e+26 *

   1.234567891234568   9.876543219876542

C =

   1.234567891234568

D =

   1.234567891234568   9.876543219876544

———————— format shortEng :

A =

   123.4568e+024

B =

   123.4568e+024   987.6543e+024

C =

     1.2346e+000

D =

     1.2346e+000     9.8765e+000

———————— format longEng :

A =

    123.456789123457e+024

B =

    123.456789123457e+024    987.654321987654e+024

C =

    1.23456789123457e+000

D =

    1.23456789123457e+000    9.87654321987654e+000

———————— format shortG :

A =

   1.2346e+26

B =

   1.2346e+26   9.8765e+26

C =

       1.2346

D =

       1.2346       9.8765

———————— format longG :

A =

      1.23456789123457e+26

B =

      1.23456789123457e+26      9.87654321987654e+26

C =

          1.23456789123457

D =

          1.23456789123457          9.87654321987654

———————— format shortE :

A =

   1.2346e+26

B =

   1.2346e+26   9.8765e+26

C =

   1.2346e+00

D =

   1.2346e+00   9.8765e+00

———————— format longE :

A =

     1.234567891234568e+26

B =

     1.234567891234568e+26     9.876543219876543e+26

C =

     1.234567891234568e+00

D =

     1.234567891234568e+00     9.876543219876544e+00

———————— format + :

A =

+

B =

++

C =

+

D =

++

———————— format bank :

A =

 123456789123456790000000000.00

B =

 123456789123456790000000000.00 987654321987654260000000000.00

C =

          1.23

D =

          1.23          9.88

———————— format hex :

A =

   455987bf7cb8ec68

B =

   455987bf7cb8ec68   458987bf80a01fca

C =

   3ff3c0ca42d8b4db

D =

   3ff3c0ca42d8b4db   4023c0ca45ddccf3

———————— format rat :

A =

123456789123456790000000000      

B =

       *              *      

C =

     100/81    

D =

     100/81         800/81    

———————— format compact :
A =
   1.2346e+26
B =
   1.0e+26 *
    1.2346    9.8765
C =
    1.2346
D =
    1.2346    9.8765
———————— format loose :

A =

   1.2346e+26

B =

   1.0e+26 *

    1.2346    9.8765

C =

    1.2346

D =

    1.2346    9.8765