leftSolve

Solve a linear system, falling back to a pseudoinverse if needed.

Developer documentation: this item describes internal implementation details.

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Declaration

 x = leftSolve(A,b)

Parameters

• A system matrix
• b right-hand side

Returns

• x solution vector or matrix

Discussion

This is a defensive wrapper around left division. Sparse systems are solved directly with A\b. Dense systems first check the reciprocal condition number; if the matrix is effectively singular, the function falls back to pinv(A)*b.