Mapping two matrix elements

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Hello, I have two nxm matrices A and B and want to create new nxm matrix C which elements are key:value pairs of A and B elements.

Example:

A = [1 2; 
     3 4];
B = [5 6;
     7 8];
C = [{1: 5} {2: 6}
     {3: 7} {4: 8}];

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Guillaume 2020-3-1

编辑：Guillaume 2020-3-1

Can you rewrite your desired C result using valid matlab syntax. {1: ...} is not valid matlab syntax, so it's difficult to understand what result you want. {1, 5}, {[1, 5]}, {'1: 5'} would be valid syntax but it's not clear if it's any of these that you want.

Perhaps, you should explain what you're going to do with the result afterwards.

metrus 2020-3-1

编辑：metrus 2020-3-1

I want to create new matrix, which nth element is pair of A's nth element and B's nth element. For example, if A(1,3) = 5 and B(1, 3) = 42, C(1, 3) would be {5->42} (not the vector [5 42]).

I don't know how it works in MATLAB, but in python there is dictionary for this purpose.

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the cyclist 2020-3-1

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I believe the closest MATLAB equivalent to python's dictionary is a map container.

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Guillaume 2020-3-1

Yes, matlab's map container and python's dictionary are both implementation of associative arrays.

However, the map in matlab, just like the python dictionary is an unordered container, so I'm confused for the requirement of the output being a 2D matrix, which implies some ordering.

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Mapping two matrix elements

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