寫部落格是在鍛鍊耐心嗎octave 舉證資料的讀取
阿新 • • 發佈:2019-01-03
>> a
a = 1 2
3 4
5 6>> a(2,2)
ans = 4
>> a(2,:)
ans = 3 4>> b=a(:)
b = 1
3
5
2
4
6>> a(:,2)
ans = 2
4
6>> a=[a,[6,7,8]]
error: horizontal dimensions mismatch (3x2 vs 1x3)
>> a=[a,[6,7]]
error: horizontal dimensions mismatch (3x2 vs 1x2)
>> a=[a,[6;7;8]]
a = 1 2 6
3 4 7
5 6 8>> a
a = 1 2 6
3 4 7
5 6 8>> b
b = 1
3
5
2
4
6>> b=[5;6;7]
b = 5
6
7>> a=[a b]
a = 1 2 6 5
3 4 7 6
5 6 8 7>> c=[1 2 3 4]
c = 1 2 3 4>> a=a[a;c]
parse error: syntax error>>> a=a[a;c]
^>> a=[a;c]
a = 1 2 6 5
3 4 7 6
5 6 8 7
1 2 3 4>> %,meas the operation of column
>> %;means the another
a = 1 2
3 4
5 6>> a(2,2)
ans = 4
>> a(2,:)
ans = 3 4>> b=a(:)
b = 1
3
5
2
4
6>> a(:,2)
ans = 2
4
6>> a=[a,[6,7,8]]
error: horizontal dimensions mismatch (3x2 vs 1x3)
>> a=[a,[6,7]]
error: horizontal dimensions mismatch (3x2 vs 1x2)
>> a=[a,[6;7;8]]
a = 1 2 6
3 4 7
5 6 8>> a
a = 1 2 6
3 4 7
5 6 8>> b
b = 1
3
5
2
4
6>> b=[5;6;7]
b = 5
6
7>> a=[a b]
a = 1 2 6 5
3 4 7 6
5 6 8 7>> c=[1 2 3 4]
c = 1 2 3 4>> a=a[a;c]
parse error: syntax error>>> a=a[a;c]
^>> a=[a;c]
a = 1 2 6 5
3 4 7 6
5 6 8 7
1 2 3 4>> %,meas the operation of column
>> %;means the another