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ZeroTest
ZeroTest
is an option to various linear algebra functions that gives a function to use in testing whether symbolic expressions should be treated as zero.
Examplesopen all
Basic Examples (1)
The automatic ZeroTest used by LinearSolve does not detect that mat is nonsingular:
With a stronger zero test LinearSolve gives the correct answer:
| In[2]:= |
| Out[2]= |  |
| In[3]:= |
| Out[3]= |  |
New in 1
