How do I make a 10x10 showing all numbers 1 to 100?

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Patrick Duffy
Patrick Duffy 2021-1-13
评论： Adam Danz 2021-6-1
how do i create a nested loop tht will provide me with a 10x10 matrix with all the numbers 1 to 100 like this
1 2 ... 10
11 ... ... ...
... ... ... ...
... ... ... 100
  1 个评论
Stephen23
Stephen23 2021-5-31
@Patrick Duffy: what have you tried so far? Is it a strict requirement to use nested loops?

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回答（1 个）

Kunal Kandhari
Kunal Kandhari 2021-6-1
Following code will create a matrix as stated above:
x=reshape( 1:100, 10, 10).';
%1:100 will create a linear matrix with 1 to 100 as elements
% reshape will convert the 1 to 100 matrix into 10*10 form
% .' will do transpose of it
X will contain the required result
You can see more detailed description of used functions here:
Reshape:
https://in.mathworks.com/help/matlab/ref/reshape.html
Transpose:
https://in.mathworks.com/help/matlab/ref/transpose.html
  1 个评论
Adam Danz
Adam Danz 2021-6-1
175 times faster using implicit expansion
y = (1:10:100)'+(0:9);
Each point below is the runtime of 10000 iterations using the reshape method (red) and the implicit expansion method (blue) which was repeated 50 times (x-axis).
  • reshape mean: 0.0151 sec (10000 iterations)
  • implicit expansion mean: 8.6220e-05 sec (10000 iterations)

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