graph file

Graphs.m

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+%% Plotting graphs in Matlab
+clear all
+close all
+
+
+%% Show two plots on different y-axes
+%% 250 data processed
+x1Vals = [2, 3, 4, 5, 6, 7];
+y1Vals = [65, 56, 47, 44, 40, 39];
+figure(1)
+yyaxis left
+plot(x1Vals, y1Vals, '-bd')
+xlabel('Number of Processors')
+ylabel('Processing time (s)')
+title('Processing time vs number of processors')
+
+
+%% 5,000 data processed
+x2Vals = [2, 3, 4, 5, 6, 7, 8];
+y2Vals = [1560, 1077, 945, 838, 852, 725, 707];
+figure(1)
+yyaxis right
+plot(x2Vals, y2Vals, '-rx')
+xlabel('Number of Processors')
+ylabel('Processing time (s)')
+title('Processing time vs number of processors')
+
+legend('250 Data', '5,000 Data')
+
+
+%% Show two plots on same y-axis
+%% Mean processing time
+y1MeanVals = y1Vals / 250;
+y2MeanVals = y2Vals / 5000;
+
+figure(2)
+plot(x1Vals, y1MeanVals, '-bd')
+hold on
+plot(x2Vals, y2MeanVals, '-rx')
+xlabel('Number of Processors')
+ylabel('Processing time (s)')
+title('Mean Processing time vs number of processors')
+legend('250 Data', '5,000 Data')