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- Function:
*int***gsl_linalg_HH_solve***(gsl_matrix **`A`, const gsl_vector *`b`, gsl_vector *`x`) This function solves the system

*A x = b*directly using Householder transformations. On output the solution is stored in`x`and`b`is not modified. The matrix`A`is destroyed by the Householder transformations.

- Function:
*int***gsl_linalg_HH_svx***(gsl_matrix **`A`, gsl_vector *`x`) This function solves the system

*A x = b*in-place using Householder transformations. On input`x`should contain the right-hand side*b*, which is replaced by the solution on output. The matrix`A`is destroyed by the Householder transformations.