Using 2d INTERPOLATION

Hi, I'm trying to interpolate a two-D table. It should be straight forward, but it won't run:

%[filename pathname]=uigetfile('*.prn','Select a Data File"'); % inputfile=strcat([pathname filename]); % [sig] = textread(inputfile,'%f ');

for i=1:25937;
    sig(i)=i;
end;

sizeRow = floor(size(sig)/701);
clear tS;
for j=1:37
   [tS(1,j)] = sig(j);
end   
for i = 2:701
   for j=1:37
        [tS(i,j)] = sig(j+(i-1)*sizeRow(1));
   end;
end;
% Interpolate
tSSize=size(tS);
RowSize = 1:tSSize(1);
ColumnSize = 0:2.5:90;
InterpTS = interp2(ColumnSize,RowSize,...
     tSSize,4.5,66)

[Fangjun Jiang]

first loop can be done by sig=1:25937

second loop can be done by ts=sig(1:37)

Answer 1

[Fangjun Jiang]

You probably mean this at your last line.

InterpTS = interp2(ColumnSize,RowSize,...
   tS,4.5,66)

Answer 2

[Mritula C]

What are 4.5 and 66 values?