BootStrap samples of diferent size

Hi, it is posible generate samples of size k, of the universe of size N in the BootStrap function?

I Have a population with 10 elements, when I generate a BootStrap example, all of my samples have 10 element.

¿I want generate sample of diferent size, it is posible?

My example:

a=[1;2;3;4;5;6;7;100;150;200];
[bootstat1, bootsam1] = bootstrp(50,@prod,a);

Result of MatLab