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damping ration = 0, 0.1, 0.4,0.6,0.8,0.9 1 and 2

1) how do i plot a 2d plot for all curves on same graph. Time scale 0 - 10, steps of 0.2 seconds.

2) How do i make use of a 'for loop' to generate step response for the damping ratios,

3) How do i produce an m file to obtain response.

4) how can i produce a 3d plot

5)how do i produce a Matlab program to get rise time, peak time, settling time and max overshoot of the 2nd order system [for equation 10/ 2s^2 + 4s +15]