fixed issues in sigmoid sensor model causing inverted response (annular partitions)

sensorModels/@sigmoidSensor/plotParameters.m

@@ -0,0 +1,42 @@
+function f = plotParameters(obj)
+    arguments (Input)
+        obj (1, 1) {mustBeA(obj, 'sigmoidSensor')};
+    end
+    arguments (Output)
+        f (1, 1) {mustBeA(f, 'matlab.ui.Figure')};
+    end
+
+    % Distance and tilt sample points
+    d = 0:(obj.alphaDist / 100):(2*obj.alphaDist);
+    t = -90:1:90;
+
+    % Sample membership functions
+    d_x = obj.distanceMembership(d);
+    t_x = obj.tiltMembership(t);
+
+    % Plot resultant sigmoid curves
+    f = figure;
+    tiledlayout(f, 2, 1, "TileSpacing", "tight", "Padding", "compact");
+
+    % Distance
+    nexttile(1, [1,  1]);
+    grid("on");
+    title("Distance Membership Sigmoid");
+    xlabel("Distance (m)");
+    ylabel("Membership");
+    hold('on');
+    plot(d, d_x, 'LineWidth', 2);
+    hold('off');
+    ylim([0, 1]);
+
+    % Tilt
+    nexttile(2, [1,  1]);
+    grid("on");
+    title("Tilt Membership Sigmoid");
+    xlabel("Tilt (deg)");
+    ylabel("Membership");
+    hold('on');
+    plot(t, t_x, 'LineWidth', 2);
+    hold('off');
+    ylim([0, 1]);
+end