Error while running this code
function X = tdma(A,B,C,D)
%TriDiagonal Matrix Algorithm (TDMA) or Thomas Algorithm
% A_i*X_(i-1) + B_i*X_i + C_i*X_(i+1) = D_i (where A_1 = 0, C_n = 0)
% A,B,C,D are input vectors. X is the solution, also a vector.
% Copyright 2013 The MathWorks, Inc.
Cp = C;
Dp = D;
n = length(A);
X = zeros(n,1);
% Performs Gaussian elimination
Cp(1) = C(1)/B(1);
Dp(1) = D(1)/B(1);
for i = 2:n
Cp(i) = C(i)/(B(i)-Cp(i-1)*A(i));
Dp(i) = (D(i)-Dp(i-1)*A(i))/(B(i)-Cp(i-1)*A(i));
end
% Backward substitution, since X(n) is known first.
X(n) = Dp(n);
for i = n-1:-1:1
X(i) = Dp(i)-Cp(i)*X(i+1);
end
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Time division multiple access (TDMA) is a channel access method for shared media networks. It allows multiple users to share the same frequency channel by dividing the signal at different time intervals. Users transmit in rapid succession, one after another, each using their own time interval. This allows multiple stations to share the same transmission medium (for example, a radio frequency channel) while using only part of their channel capacity. TDMA is used in digital 2G cellular systems such as the Global System for Mobile Communications (GSM), IS-136, Personal Digital Cellular (PDC) and iDEN, and the Digital Enhanced Cordless Telecommunications (DECT) standard for mobile phones. It is also used extensively in satellite systems, combat-network radio systems and PON networks for upstream traffic from the facilities to the operator. For the use of dynamic TDMA packet mode communication.
