Create a row matrix with different step size

I am looking for something like [1 2 3 4 100 150 200] 1:1:4 (step size 1) and the rest 100:50:200 (step size 50)

Answer 1

[Brendan Hamm]

Just utilize the concatenation operator [ ]

x = [1:4 100:50:200];

[Lily]

Thanks