영남대 수치해석 과제1

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영남대 수치해석 과제1에 대한 보고서 자료입니다.

본문내용

3 4
>> [A B]
ans =
1 2 3 4
>> [A; B]
ans =
1 2
3 4
>> x = 2; y = 3; z = 4;
>> A=[ones(1,3); x y z; x^2 y^2 z^2]
A =
1 1 1
2 3 4
4 9 16
>> y = [0 0.2 0.4 0.6 0.8 1]
y =
0 0.2000 0.4000 0.6000 0.8000 1.0000
>> for n = 1
y(n)=(n-1)*0.2;
end
>> y
y =
0 0.2000 0.4000 0.6000 0.8000 1.0000
>> format long
>> ln2
??? Undefined function or variable 'ln2'.
>> e2
??? Undefined function or variable 'e2'.
>> log 2
??? Undefined function or method 'log' for input arguments of type
'char'.
>> log2
??? Error using ==> log2
Not enough input arguments.
>> log(2)
ans =
0.693147180559945
>> format short
>> log(2)
ans =
0.6931
>> format long e
>> log(2)
ans =
6.931471805599453e-001
>> format short e
>> log(2)
ans =
6.9315e-001
>> format long eng
>> log(2)
ans =
693.147180559945e-003
>> format short eng
>> log(2)
ans =
693.1472e-003
>> format +
>> log(2)
ans =
+
>> diary 과제1
>> diary on 과제1
??? Error using ==> diary
Too many input arguments.
>> diaryon
??? Undefined function or variable 'diaryon'.
>> diary on
>> A=[3 5; 5 3; 2 1]
A =
++
++
++
>> format long
>> A=[1 2 3 4; 3 -1 2 -5; 2 -2 1 7; 4 1 7 -2]
A =
1 2 3 4
3 -1 2 -5
2 -2 1 7
4 1 7 -2
>> b=[x y z w]
??? Undefined function or variable 'w'.
>> b=[11; 12; 2; -7]
b =
11
12
2
-7
>> x=A\b
x =
20.329949238578681
15.294416243654819
-14.538071065989847
0.923857868020304
>> A=[5 -2 5; 3 -3 2; 7 9 8]
A =
5 -2 5
3 -3 2
7 9 8
>> B=[-2 -7 5; 3 8 8; -1 21 9]
B =
-2 -7 5
3 8 8
-1 21 9
>> A+B
ans =
3 -9 10
6 5 10
6 30 17
>> A-B
ans =
7 5 0
0 -11 -6
8 -12 -1
>> A'
ans =
5 3 7
-2 -3 9
5 2 8
>> A^2
ans =
54 41 61
20 21 25
118 31 117
>> 2A-3B
??? 2A-3B
|
Error: Unexpected MATLAB expression.
>> 2A - 3B
??? 2A - 3B
|
Error: Unexpected MATLAB expression.
>> 2*A-3*B
ans =
16 17 -5
-3 -30 -20
17 -45 -11
>> A.*B
ans =
-10 14 25
9 -24 16
-7 189 72
>> A./B
ans =
-2.500000000000000 0.285714285714286 1.000000000000000
1.000000000000000 -0.375000000000000 0.250000000000000
-7.000000000000000 0.428571428571429 0.888888888888889
>> A.\B
ans =
-0.400000000000000 3.500000000000000 1.000000000000000
1.000000000000000 -2.666666666666667 4.000000000000000
-0.142857142857143 2.333333333333334 1.125000000000000
>> 2.^A
ans =
1.0e+002 *
0.320000000000000 0.002500000000000 0.320000000000000
0.080000000000000 0.001250000000000 0.040000000000000
1.280000000000000 5.120000000000000 2.560000000000000
>> A.^4
ans =
625 16 625
81 81 16
2401 6561 4096
>> A. ^B
??? A. ^B
|
Error: Unexpected MATLAB operator.
>> A.^B
ans =
1.0e+020 *
0.000000000000000 -0.000000000000000 0.000000000000000
0.000000000000000 0.000000000000000 0.000000000000000
0.000000000000000 1.094189891315124 0.000000000001342
>> eye(3,4)
ans =
1 0 0 0
0 1 0 0
0 0 1 0
>> zerose(5,5)
??? Undefined function or method 'zerose' for input arguments of type
'double'.
>> zeros(5,5)
ans =
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
>> 3*ones(5)
ans =
3 3 3 3 3
3 3 3 3 3
3 3 3 3 3
3 3 3 3 3
3 3 3 3 3
>> 5*ones(3)-4*eye(3)
ans =
1 5 5
5 1 5
5 5 1
>> 2*ones(3)-4*eye(3)
ans =
-2 2 2
2 -2 2
2 2 -2
>>

키워드

영남대,   영남대 수치해석,   수치해석,   매트랩