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integrate identical values give different results

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mike
mike 2018-3-31
关闭： MATLAB Answer Bot 2021-8-20
I am using second order integration simulink block to integrate the acceleration to get the velocity and position, I have two data sets measured and actual. The acceleration for measured and actual are identical but the velocity and position from the two second order integration blocks are not identical I attached copy for the acceleration plot and the position plot
I
I
Acceleration:
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I
Position:
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mike
mike 2018-4-1
When I subtract the signals the maximum value round 3×10^-16
mike
mike 2018-4-1
please see this link for exact problem https://drive.google.com/openid=0BycJ_aTQNwAUbzBja1dVMWc2TUFRX20yZnVVRmJLSGpxU2M0
also I posted a question for the problem with more description
https://www.mathworks.com/matlabcentral/answers/392001-integrate-identical-data-give-un-identical

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