3个矩阵命名为 A
, B
和 C
. 每个矩阵都有随机 M x N
维 . 但是, N
(列号)是相等的 . 从每个矩阵中随机生成1行并逐个放入新矩阵(名为 Fdata
),然后从每个矩阵中随机生成1行,但不能从前一个随机行生成重复生成并放入[717065]再一次......相应地......如果其中一个矩阵是为每一行随机生成一次而不重复,那么该行的其余部分可以再次随机重复,直到来自一个矩阵的最大行 .
如果 A
是5x5的矩阵, B
是2x5的矩阵, C
是3x5的矩阵, Fdata
将是15x5矩阵
例:
A =
6 6 4 7 8
4 7 1 6 9
3 5 8 0 1
6 5 8 1 2
9 4 2 0 1
B =
4 7 2 8 5
5 6 0 1 2
C =
1 6 4 5 1
8 6 7 1 3
3 0 4 5 8
The final data i wish to get is
Fdata =
4 7 1 6 9 %randomly from matrix A
5 6 0 1 2 %randomly from matrix B
1 6 4 5 1 %randomly from matrix c
6 6 4 7 8 %randomly from matrix A (but not repeated from previous randomly generated row)
4 7 2 8 5 %randomly from matrix B (but not repeated from previous randomly generated row)
3 0 4 5 8 %randomly from matrix C (but not repeated from previous randomly generated row)
3 5 8 0 1 %randomly from matrix A (but not repeated from previous randomly generated row)
4 7 2 8 5 %randomly from matrix B, repeated row because the row of matrix B is fully randomly generated
8 6 7 1 3 %randomly from matrix C (but not repeated from previous randomly generated row)
9 4 2 0 1 %randomly from matrix A (but not repeated from previous randomly generated row)
....
我要写什么代码来获得 Fdata
?
第二个问题:
让 Fdata=xlsread('abc.xls,);
原始 Fdata
有5x2矩阵,经过一些代码, Fdata
变成5x5矩阵......然后发生 xlswrite('abc.xls',Fdata,'sheet2');
..错误...... ??? Index exceeds matrix dimensions
...我该如何解决这个问题?
1 回答
快速工作尝试,它可以优化,但需要更多细节:你做了多少迭代?有破裂的情况吗?你总是会用三个矩阵来喂Fdata吗?
这是一个代码的工作示例: