The displacement of an instrument subjected to a random vibration test, at different instants of time,...
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The displacement of an instrument subjected to a random vibration test, at different instants of time, is found to be as follows: Displacement, y, (inch) 0.144 Station, i Time, t (sec) 1 0,05 0.10 0.172 3 0.15 0.213 0.20 0.296 0.25 0.070 6. 0.30 0.35 0.085 7 0.525 8 0.40 0.110 0.45 0.50 0.55 0.60 0.062 10 0.055 11 0.042 12 0.035 a) Please use MATLAB function diff to find the velocity acceleration and jerk based on forward-difference with a step size, At, of 0.05. Please plot t vs. y d²y dž curve, and t vs. curve, t vs. curve, t vs. curve, respectively. b) Please use MATLAB functions polyfit by fitting a 11th-degree polynomial for the d?y d³y and jerk dt3 data and use polyval and diff to find the velocity acceleration dt2 dy curve, t vs. dt d?y drz curve, and t vs. Please plot t vs. y curve, t vs. curve, de respectively. c) Please use MATLAB functions spline by fitting a Not-a-knot Cubic Spline to find the velocity dy acceleration and jerk· Please plot t vs. y curve, t vs. curve, t dy curve, and t vs. -curve, respectively. Vs. Please note that the above t vs. y curves should be plotted on one graph (3 curves), t dy d²y Vs. curves on one graph (3 curves), t vs. z curves on one graph (3 curves) and t dt VS. curves on one graph (3 curves), respectively. Totally 4 graphs. The displacement of an instrument subjected to a random vibration test, at different instants of time, is found to be as follows: Displacement, y, (inch) 0.144 Station, i Time, t (sec) 1 0,05 0.10 0.172 3 0.15 0.213 0.20 0.296 0.25 0.070 6. 0.30 0.35 0.085 7 0.525 8 0.40 0.110 0.45 0.50 0.55 0.60 0.062 10 0.055 11 0.042 12 0.035 a) Please use MATLAB function diff to find the velocity acceleration and jerk based on forward-difference with a step size, At, of 0.05. Please plot t vs. y d²y dž curve, and t vs. curve, t vs. curve, t vs. curve, respectively. b) Please use MATLAB functions polyfit by fitting a 11th-degree polynomial for the d?y d³y and jerk dt3 data and use polyval and diff to find the velocity acceleration dt2 dy curve, t vs. dt d?y drz curve, and t vs. Please plot t vs. y curve, t vs. curve, de respectively. c) Please use MATLAB functions spline by fitting a Not-a-knot Cubic Spline to find the velocity dy acceleration and jerk· Please plot t vs. y curve, t vs. curve, t dy curve, and t vs. -curve, respectively. Vs. Please note that the above t vs. y curves should be plotted on one graph (3 curves), t dy d²y Vs. curves on one graph (3 curves), t vs. z curves on one graph (3 curves) and t dt VS. curves on one graph (3 curves), respectively. Totally 4 graphs.
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Code h005 step size t005h06 time y0144 0172 0213 0296 0070 0085 0525 0110 0062 0055 0042 0035Displac... View the full answer
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