ISMEMBERF
Matlab ISMEMBER uses strict exact comparison between floats.
The ISMEMBERF (note the "F") can tolerate some round off error.
It is possible to configure the tolerance.'rows' option is also supported.
Example:
[tf, loc]=ismember(0.3, 0:0.1:1) % returns false
[tf, loc]=ismemberf(0.3, 0:0.1:1) % return true
Cite As
Bruno Luong (2024). ISMEMBERF (https://www.mathworks.com/matlabcentral/fileexchange/23294-ismemberf), MATLAB Central File Exchange. Retrieved .
MATLAB Release Compatibility
Platform Compatibility
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Acknowledgements
Inspired: Sound Transmission Class STC, Impact Isolation Class
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Version | Published | Release Notes | |
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1.10.0.0 | Replace soon-deprecated strmatch with strncmpi |
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1.9.0.0 | Complete H1 lines with specification of LOC and membership criteria |
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1.7.0.0 | Correct bug reported by Jan, better description in H1 line (thanks) |
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1.6.0.0 | Correct bug reported by David |
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1.3.0.0 | Important change in the engine when using 'rows' option, which saves the runtime by about 30%. Some adjustment with automatic tolerance. |
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1.1.0.0 | Extend ISMEMBERF to complex arrays |
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1.0.0.0 |