Fix header documentation in firstOrderDma.m and output calcualtions

Signal Processing/Array Processing/MATLAB/Functions/firstOrderDma.m

@@ -13,9 +13,9 @@
 % Input
 % 
 % input [numeric]: The input to the array. 3D array/matrix with dimensions
-%                  IxMxF, where I is the number of measurments (or length
-%                  of signals), M represents the number of microphones and
-%                  must be even and F is the number of frequencies of
+%                  MxIxF, where M represents the number of microphones and
+%                  must be even, I is the number of measurments (or number
+%                  of sources), and F is the number of frequencies of
 %                  interest. Each microphone pair is treated as a first
 %                  order DMA.
 % 
@@ -156,7 +156,7 @@ function [h, output] = firstOrderDma(input, freq, d, pPattern, beta)
         for freqIdx = length(freq):-1:1
             for pairIdx = size(input, 1)/2:-1:1
                 % Multiply the array filter with the input
-                output(:, pairIdx, freqIdx) = h(:, freqIdx)' * input(:, pairIdx * 2 - 1:pairIdx * 2, freqIdx);
+                output(pairIdx, :, freqIdx) = h(:, freqIdx)' * input(pairIdx * 2 - 1:pairIdx * 2, :, freqIdx);
             end
         end
     end