Matrix Calculus

.* element-wise multiplication ./ element-wise division .^ element-wise power sin() element-wise sin cos() element-wise cos tan() element-wise tan arcsin() element-wise arcsin arccos() element-wise arccos arctan() element-wise arctan log() element-wise natural log exp() element-wise exp tanh() element-wise tanh abs() element-wise absolute value sign() element-wise sign relu() element-wise relu