How to extract and replace from small matrix into big matrix without zeros. here is the code examples:

Question

0 个投票

 A = round(abs(randn(10,10)*100));
 B = zeros(5,5);
 
 for i = 1:5
     for j = 1:5
         if(i>1 && i<5 && j>1 && j<5)
             B(i,j) = round(abs(randn(1)*100));
         end
     end
 end
 C = B>0==1;
 A(4:8,3:7) = B; % This is not a solution
disp(A);
%error
 A(4:8,3:7) = B(C); % This will be an array, not a matrix

Current answers:

A =
  28    55    24   132    15   211    30     5    95
 115    42    18    13   230    72    90    77    35
 115    36    24   144   275    28    63    79   160
  67     0     0     0     0     0     7   141    53
  67     0   130   101    79     0    19    53    85
  40     0    12    55    96     0    29   193   134
  67     0   163    76   119     0    99    18   250
  58     0     0     0     0     0    39    24    17
  78   104    84    23   113    38    19    90    35
 106    91   254   110     8    43    28    79    72