Added matlab code samples.

All of these code samples currently are mis-identified in my repositories. I'm
donating them to the cause.

samples/Matlab/convert_variable.m

@@ -0,0 +1,68 @@
+function [name, order] = convert_variable(variable, output)
+% Returns the name and order of the given variable in the output type.
+%
+% Parameters
+% ----------
+% variable : string
+%   A variable name.
+% output : string.
+%   Either `moore`, `meijaard`, `data`.
+%
+% Returns
+% -------
+% name : string
+%   The variable name in the given output type.
+% order : double
+%   The order of the variable in the list.
+
+[coordinates, speeds, inputs] = get_variables();
+
+columns = {'data', 'meijaard', 'moore'};
+
+if find(ismember(coordinates, variable))
+
+    [order, ~] = find(ismember(coordinates, variable));
+    name = coordinates{order, find(ismember(columns, output))};
+
+elseif find(ismember(speeds, variable))
+
+    [order, ~] = find(ismember(speeds, variable));
+    name = speeds{order, find(ismember(columns, output))};
+
+elseif find(ismember(inputs, variable))
+
+    [order, ~] = find(ismember(inputs, variable));
+    name = inputs{order, find(ismember(columns, output))};
+
+else
+    error('Beep: Done typed yo variable name wrong')
+end
+
+function [coordinates, speeds, inputs] = get_variables()
+
+coordinates = {'LongitudinalRearContact', 'xP', 'q1';
+               'LateralRearContact', 'yP','q2';
+               'YawAngle', 'psi','q3';
+               'RollAngle', 'phi','q4';
+               'PitchAngle', 'thetaB','q5';
+               'RearWheelAngle', 'thetaR','q6';
+               'SteerAngle', 'delta','q7';
+               'FrontWheelAngle', 'thetaF','q8';
+               'LongitudinalFrontContact', 'xQ','q9';
+               'LateralFrontContact', 'yQ', 'q10'};
+
+speeds = {'LongitudinalRearContactRate', 'xPDot', 'u1';
+          'LateralRearContactRate', 'yPDot', 'u2';
+          'YawRate', 'psiDot', 'u3';
+          'RollRate', 'phiDot', 'u4';
+          'PitchRate', 'thetaDot', 'u5';
+          'RearWheelRate', 'thetaRDot', 'u6';
+          'SteerRate', 'deltaDot', 'u7';
+          'FrontWheelRate', 'thetaFDot','u8';
+          'LongitudinalFrontContactRate', 'xQDot', 'u9';
+          'LateralFrontContactRate', 'yQDot', 'u10'};
+
+inputs = {'RollTorque', 'tPhi', 'T4';
+          'RearWheelTorque', 'tThetaR', 'T6';
+          'SteerTorque', 'tDelta', 'T7';
+          'PullForce', 'fB', 'F'};