Lines Matching refs:x_

674 …| ``VecSum(Vec x, PetscScalar *r);``                           | :math:`r = \sum x_{i}`           …
681 …| ``VecPointwiseMult(Vec w, Vec x, Vec y);``                   | :math:`w_{i} = x_{i}*y_{i}`      …
683 …| ``VecPointwiseDivide(Vec w, Vec x, Vec y);``                 | :math:`w_{i} = x_{i}/y_{i}`      …
691 …| ``VecMax(Vec x, PetscInt *idx, PetscReal *r);``              | :math:`r = \max x_{i}`           …
693 …| ``VecMin(Vec x, PetscInt *idx, PetscReal *r);``              | :math:`r = \min x_{i}`           …
695 …| ``VecAbs(Vec x);``                                           | :math:`x_i = |x_{i}|`            …
697 …| ``VecReciprocal(Vec x);``                                    | :math:`x_i = 1/x_{i}`            …
699 …| ``VecShift(Vec x, PetscScalar s);``                          | :math:`x_i = s + x_{i}`          …
710 `NORM_2`, or `NORM_INFINITY`. The 1-norm is $\sum_i |x_{i}|$,
711 the 2-norm is $( \sum_{i} x_{i}^{2})^{1/2}$ and the infinity norm
712 is $\max_{i} |x_{i}|$.