adding new elements between each two elements of a vector

Experts,

I have a an array as follows:

T =

   985   926   692   749
   915   825   662   760
   931   810   668   764
   761   676   736   754
   733   657   720   693
   757   622   699   756
   677   718   557   758
   703   737   696   743
   769   693   708   693
   814   728   562   677
   895   719   611   713
   805   652   534   783
   833   694   580   749

I want to linearly interpolate N points between each two elements of the array and add the new values in between. For example if N=3, T(1:5,1)= linspace(985, 915, 5), and same for the rest of the elements.

I would appreciate if someone can help me doing this, avoding for loop! maybe?

Thanks

Answer 1

[Matt J]

I can't tell if you mean to interpolate only between rows or between columns as well. If the former, then try this,

t=1:size(T,1);
q=linspace(t(1), t(end), (N+1)*(t(end)-1)+1);

Tnew=interp1(t,T,q);