MATLAB: Ignore values in matrix

matrixmatrix limiting matrix value

I have this matrix
YY =
Columns 1 through 13
623.0000  580.0000  531.8571  482.9231  435.8704  388.7843  342.3571  296.5636  252.1818  209.0000  181.0909  159.0000  137.5000
Columns 14 through 26
115.5000   94.2813   73.5000   79.9000   92.9268  107.3043  122.0286  136.0526  150.5000  165.3333  180.1818  187.0000  192.9167
Columns 27 through 39
198.8462  205.2778  211.5000  217.8125  224.5000  231.0769  238.5000  244.4000  249.6154  255.0000  260.6000  266.5000  272.5000
Columns 40 through 52
278.5000  284.3846  290.3636  296.3333  302.4000  308.4000  313.6923  318.6000  324.5000  329.5833  334.6000  340.3333  345.3077
Columns 53 through 65
350.5000  355.7857  360.6000  365.5000  370.5000  375.2143  379.9333  384.3846  388.6154  393.2500  397.5000  401.6154  405.6923
Columns 66 through 72
409.6923  413.4545  417.3077  420.6000  424.5000  428.2308  431.3333
what i want is to remove all values from YY which are below first 100(starting from top whenever a value gets below 100 ….remove next all values ).In this case ans should look like
YY =
Columns 1 through 13
623.0000  580.0000  531.8571  482.9231  435.8704  388.7843  342.3571  296.5636  252.1818  209.0000  181.0909  159.0000  137.5000
Columns 14 through 26
115.5000
THANK's in advance:)

Best Answer

YY = YY(1 : find(YY < 100, 1, 'first')-1 );
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