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ODA Kernel SDK
API Reference > OdGe Classes > OdGeMatrix2d Class > OdGeMatrix2d Methods > OdGeMatrix2d::isSingular Method
OdGeMatrix2d::isSingular Method
Syntax
C++
bool isSingular(const OdGeTol& tol = OdGeContext::gTol) const;

Checks whether this matrix is singular. 

 

Parameters
Description
tol
[in] Geometric tolerance.

true if this matrix is singular, false otherwise.

  • A matrix is singular if and only if its determinant is zero within the specified tolerance.
  • A singular matrix cannot be inverted.

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