789789

>> [pie*ones(1,5);ones(1,5);zeros(1,5):ones(1,5)]
Error using pie (line 65)
Not enough input arguments.

>> [pi*ones(1,5);ones(1,5);zeros(1,5):ones(1,5)]
Error using vertcat
Dimensions of arrays being concatenated are not consistent.

>> [pi*ones(1,5);ones(1,5);zeros(1,5);ones(1,5)]

ans =

    3.1416    3.1416    3.1416    3.1416    3.1416
    1.0000    1.0000    1.0000    1.0000    1.0000
         0         0         0         0         0
    1.0000    1.0000    1.0000    1.0000    1.0000

>> format rat
>> [pi*ones(1,5);ones(1,5);zeros(1,5);ones(1,5)]

ans =

     355/113        355/113        355/113        355/113        355/113
       1              1              1              1              1
       0              0              0              0              0
       1              1              1              1              1

>> format short
>> [pi*ones(1,5);ones(1,5);zeros(1,5);ones(1,5)]

ans =

    3.1416    3.1416    3.1416    3.1416    3.1416
    1.0000    1.0000    1.0000    1.0000    1.0000
         0         0         0         0         0
    1.0000    1.0000    1.0000    1.0000    1.0000

>> eye(3)*5

ans =

     5     0     0
     0     5     0
     0     0     5

>> eye

ans =

     1

>> eye*sqrt
Error using sqrt
Not enough input arguments.

>> eye*sqrt(4)

ans =

     2

>> [sqrt(2)*ones(3)]

ans =

    1.4142    1.4142    1.4142
    1.4142    1.4142    1.4142
    1.4142    1.4142    1.4142

>> [sqrt(2)*ones(3)]

ans =

    1.4142    1.4142    1.4142
    1.4142    1.4142    1.4142
    1.4142    1.4142    1.4142

>> format short
>> [sqrt(2)*ones(3)]

ans =

    1.4142    1.4142    1.4142
    1.4142    1.4142    1.4142
    1.4142    1.4142    1.4142

>> [sqrt(2)*ones(3)[2*eye(3),zeros(3,2)ones(1,5)]
 [sqrt(2)*ones(3)[2*eye(3),zeros(3,2)ones(1,5)]
                 ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> [2*eye(3),zeros(3,2)ones(1,5)]
 [2*eye(3),zeros(3,2)ones(1,5)]
                     ↑
Error: Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct
matrices, use brackets instead of parentheses.

Did you mean:
>> [2*eye(3),zeros(3,2)*ones(1,5)]
Error using  *
Incorrect dimensions for matrix multiplication. Check that the number of columns in the first matrix matches the number of rows in the second
matrix. To perform elementwise multiplication, use '.*'.

>> [2*eye(3),zeros(3,2);ones(1,5)]

ans =

     2     0     0     0     0
     0     2     0     0     0
     0     0     2     0     0
     1     1     1     1     1

>> eye(3,4)

ans =

     1     0     0     0
     0     1     0     0
     0     0     1     0

>> b(3,4)
Undefined function or variable 'b'.

>> d
Undefined function or variable 'd'.

>> ad
Undefined function or variable 'ad'.

>> d
Undefined function or variable 'd'.

>> A=(3,4)
 A=(3,4)
     ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> spencerandagan@yahoo.com
'yahoo.com' is not a valid base class.

>> gg angnato
Undefined function or variable 'gg'.

>> rekta singko
Undefined function or variable 'rekta'.

>> haahaha joke
Undefined function or variable 'haahaha'.

>> magic(3),pascal(3)

ans =

     8     1     6
     3     5     7
     4     9     2


ans =

     1     1     1
     1     2     3
     1     3     6

>> A(3,4)magic(3),pascal(3)
 A(3,4)magic(3),pascal(3)
       ↑
Error: Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct
matrices, use brackets instead of parentheses.

Did you mean:
>> A(3,4)*magic(3), pascal(3)
Undefined function or variable 'A'.

>> A=(3,4)*magic(3), pascal(3)
 A=(3,4)*magic(3), pascal(3)
     ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> (3,4)*magic(3), pascal(3)
 (3,4)*magic(3), pascal(3)
   ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> A=(3,4)B=*magic(3), pascal(3)
 A=(3,4)B=*magic(3), pascal(3)
     ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> A=*(3,4)*magic(3), pascal(3)
 A=*(3,4)*magic(3), pascal(3)
   ↑
Error: Invalid use of operator.

>> A[2,1]
 A[2,1]
  ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> A[3;4],1:2]
 A[3;4],1:2]
  ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

>> A = magic(3)

A =

     8     1     6
     3     5     7
     4     9     2

>> B = pascal (3)

B =

     1     1     1
     1     2     3
     1     3     6

>> a=[A,B]

a =

     8     1     6     1     1     1
     3     5     7     1     2     3
     4     9     2     1     3     6

>> eye(3)*5

ans =

     5     0     0
     0     5     0
     0     0     5

>> a(3,4)

ans =

     1

>> [a(1,1)a(1,6);a(3,1),a(3,6)]
 [a(1,1)a(1,6);a(3,1),a(3,6)]
        ↑
Error: Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct
matrices, use brackets instead of parentheses.

Did you mean:
>> [a(1,1)*a(1,6); a(3,1), a(3,6)]
Error using vertcat
Dimensions of arrays being concatenated are not consistent.

>> [a(1,1) a(1,6); a(3,1), a(3,6)]

ans =

     8     1
     4     6

>> [a(3,1), a(3,2), a(3,3), a(3,4), a(3,5), a(3,6)]

ans =

     4     9     2     1     3     6

>> [a(1,3); a(2,3); a(3,3)]

ans =

     6
     7
     2

>> a(:,3)

ans =

     6
     7
     2

>> [a(1,1); a(1,2); a(3,3)]

ans =

     8
     1
     2

>> awit
Undefined function or variable 'awit'.

>> diag(A)

ans =

     8
     5
     2

>> a(3,4)

ans =

     1

>> diag(diag(a)
 diag(diag(a)
             ↑
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

Did you mean:
>> diag(diag(a))

ans =

     8     0     0
     0     5     0
     0     0     2

>> A=[sqrt(5),i,2*sqrt(3);-3/4,0,1;1/-3,4i,-i]

A =

   2.2361 + 0.0000i   0.0000 + 1.0000i   3.4641 + 0.0000i
  -0.7500 + 0.0000i   0.0000 + 0.0000i   1.0000 + 0.0000i
  -0.3333 + 0.0000i   0.0000 + 4.0000i   0.0000 - 1.0000i

>> format rat
>> A=[sqrt(5),i,2*sqrt(3);-3/4,0,1;1/-3,4i,-i]

A =

    2889/1292   +    0i             0        +    1i          1351/390    +    0i
      -3/4      +    0i             0        +    0i             1        +    0i
      -1/3      +    0i             0        +    4i             0        -    1i

>> format short
>> A=[sqrt(5),i,2*sqrt(3);-3/4,0,1;1/-3,4i,-i]

A =

   2.2361 + 0.0000i   0.0000 + 1.0000i   3.4641 + 0.0000i
  -0.7500 + 0.0000i   0.0000 + 0.0000i   1.0000 + 0.0000i
  -0.3333 + 0.0000i   0.0000 + 4.0000i   0.0000 - 1.0000i

>> B=[4*2,2/3;1/201,5-8.2;0.0001,(9+4)/3]

B =

    8.0000    0.6667
    0.0050   -3.2000
    0.0001    4.3333

>> a=[A,B]

a =

   2.2361 + 0.0000i   0.0000 + 1.0000i   3.4641 + 0.0000i   8.0000 + 0.0000i   0.6667 + 0.0000i
  -0.7500 + 0.0000i   0.0000 + 0.0000i   1.0000 + 0.0000i   0.0050 + 0.0000i  -3.2000 + 0.0000i
  -0.3333 + 0.0000i   0.0000 + 4.0000i   0.0000 - 1.0000i   0.0001 + 0.0000i   4.3333 + 0.0000i

>>