Complex Mode Indicator Function (CMIF)

版本 2.0.4 (1.5 MB) 作者: Dr. Erol Kalkan, P.E.
This is a robust complex mode indicator function, which can be used to identify Eigen values. A simple example is provided.
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更新时间 2022/8/11

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COMPLEX MODE INDICATOR FUNCTION (SINGULAR VALUE DECOMPOSITION)
CMIF is defined as the Eigen values solved from the normal matrix, which is formed from frequency response function (FRF) matrix. CMIF can be computed from multiplication of normal matrix with its Hermitian matrix or by singular value decomposition (SVD) of normal matrix at each spectral line.
This function computes CMIF using "economy size" SVD.
Bandpass filtering of input data is suggested before using CMIF. If you find this code useful for your application, please don't forget to rate it.
For questions, suggestions and comments: kalkan76@gmail.com

引用格式

Dr. Erol Kalkan, P.E. (2024). Complex Mode Indicator Function (CMIF) (https://www.mathworks.com/matlabcentral/fileexchange/65508-complex-mode-indicator-function-cmif), MATLAB Central File Exchange. 检索时间: .

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cmif

版本 已发布 发行说明
2.0.4

project website is updated
2.0.3

Notes are updated.
2.0.2

Updated notes
2.0.1

variable input added, notes are modified
1.0.0.0

Updated description