Matlab: How to catch warning -



Matlab: How to catch warning -

i running info processing work in matlab , solver uses backslash operator. sometimes, warning this:

warning: rank deficient, rank = 1390, tol = 1.335195e-010. warning: rank deficient, rank = 1386, tol = 1.333217e-010.

i grab warnings. trying convert warning error , grab described here under title “trapping warnings”: http://undocumentedmatlab.com/blog/trapping-warnings-efficiently in example, next string has been used convert warning error:

s = warning('error', 'matlab:delete:permission');

however, not sure string utilize case. tried using

s = warning('error', 'warning: rank deficient’);

but, did not work. help appreciated.

regards, dk

you need specify warning identifier, not warning text. can find identifier using two-output form of lastwarn:

[msgstr, msgid] = lastwarn

in case, think identifier want 'matlab:rankdeficientmatrix'.

matlab warnings

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