List of increasing integers

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Tony Haines 2024-2-22

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https://ww2.mathworks.cn/matlabcentral/answers/2085513-list-of-increasing-integers

评论： Dyuman Joshi 2024-2-22

I have a list of dimensions given by the row vector as follows

I would like to associate with this vector, a list of increasing integers such that each size in 'dim' corresponds with an exact number of integers like this:

int = [ 1 2 , 3 4, 5 6 7 8, 9 10, 11 12, 13 14, 15 16, 17 18, 19 20, 21 22, 23 24, 25 26]

I grouped the integers just to indicate that a dim=4 corresponds to 5 6 7 8. and the rest just has two integers.

Thanks.

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Answer 1

Dyuman Joshi 2024-2-22

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dim = [2 2 4 2 2 2 2 2 2 2 2 2]
dim = 1×12
     2     2     4     2     2     2     2     2     2     2     2     2
int = 1:sum(dim)
int = 1×26
     1     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17    18    19    20    21    22    23    24    25    26
out = mat2cell(int, 1, dim)
ans = 1×12 cell array
    {[1 2]}    {[3 4]}    {[5 6 7 8]}    {[9 10]}    {[11 12]}    {[13 14]}    {[15 16]}    {[17 18]}    {[19 20]}    {[21 22]}    {[23 24]}    {[25 26]}

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Tony Haines 2024-2-22

This is what I needed. To have it all in a cell. Thank you!

Dyuman Joshi 2024-2-22

You're welcome!

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Answer 2

Les Beckham 2024-2-22

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https://ww2.mathworks.cn/matlabcentral/answers/2085513-list-of-increasing-integers#answer_1414633

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Are you sure that is what you want? It doesn't seem very useful.

dim = [2 2 4 2 2 2 2 2 2 2 2 2]
dim = 1×12
     2     2     4     2     2     2     2     2     2     2     2     2
int = 1:sum(dim)
int = 1×26
     1     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17    18    19    20    21    22    23    24    25    26
int(end)
ans = 26