MATLAB: How to increase matrix size

data

for example i have matrix size 5×3, i want to increase size of matrix became 10×3.
example my data :
A = [997.400000000000  -1.10000000000000  70.4000000000000
     997.500000000000  -1                  70
     997.600000000000  -1.50000000000000  72
     997.700000000000  -1.80000000000000  73.2000000000000
     997.800000000000  -1.80000000000000  73.6000000000000]
I want to my data like this :
A = [997.400000000000  -1.10000000000000  70.4000000000000
     NaN                NaN                     NaN
     997.500000000000  -1                  70
      NaN                NaN                     NaN
     997.600000000000  -1.50000000000000  72
      NaN                NaN                     NaN
     997.700000000000  -1.80000000000000  73.2000000000000
      NaN                NaN                     NaN
     997.800000000000  -1.80000000000000  73.6000000000000
      NaN                NaN                     NaN            ]
How to i solve this in Matlab….
Thanks you very much for the helping.

Best Answer

s = size(A);
P = cat(3,A,nan(s));
out = reshape(permute(P,[2 3 1]),s(2),[]).';
or
out = nan(size(A).*[2 1]);
out(1:2:end,:) = A;
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