You need to use stack, with two submatrix functions as arguments. Assuming ORIGIN=0 use this function:
NewV(V,s1,s2):=stack(submatrix(V,0,s1-1,0,0),submatrix(V,s2+1,last(V),0,0))
If 131 and 200 are the indicies of the vector then s1=131 and s2=200.