operator-() [17/20]

template<typename Arith , require_arithmetic_t< Arith > * = nullptr>

var stan::math::operator- ( Arith  a, const var &  b  )

inline

Subtraction operator for scalar and variable.

The derivative for the variable is

\(\frac{\partial}{\partial y} (c-y) = -1\), and

Template Parameters

Var	value type of a var
Arith	An arithmetic type

Parameters

a	First scalar operand.
b	Second variable operand.

Returns

Result of subtracting a variable from a scalar.

Definition at line 101 of file operator_subtraction.hpp.