col() [1/2]

template<typename T_x , typename = require_nonscalar_prim_or_rev_kernel_expression_t<T_x>>

auto stan::math::col ( T_x &&  x, size_t  j  )

inline

Return the specified column of the specified kernel generator expression using start-at-1 indexing.

Template Parameters

T_x	type of input kernel generator expression a

Parameters

x	input kernel generator expression.
j	Column index (count from 1).

Returns

Specified column of the matrix.

Exceptions

std::invalid_argument

if j is out of range.

Definition at line 23 of file col.hpp.