# S4 method for dual,dual
rbind2(x,y,...)# S4 method for dual,numericOrArray
rbind2(x,y,...)
# S4 method for numericOrArray,dual
rbind2(x,y,...)
# S4 method for dual,missing
rbind2(x,y,...)
# S4 method for dual,dual
cbind2(x,y,...)
# S4 method for dual,numericOrArray
cbind2(x,y,...)
# S4 method for numericOrArray,dual
cbind2(x,y,...)
# S4 method for dual,missing
cbind2(x,y,...)