Problems changing the value of a reactive signal returned from a function

const [count, setCount] = createSignal(0)

const doubleCount = () => count() * 2

createEffect(() => {
  console.log(doubleCount())
})

const [count, setCount] = createSignal(0)

const doubleCount = () => count() * 2

createEffect(() => {
  console.log(doubleCount())
})

return untrack(() => function(piece, [i, j]){
...
}

return untrack(() => function(piece, [i, j]){
...
}

const person = {
  name: 'Mary',
  age: 25
};

function printInformation(person) {
  console.log(`Name: ${person.name}, Age: ${person.age}`);
}

printInformation(person);

const person = {
  name: 'Mary',
  age: 25
};

function printInformation(person) {
  console.log(`Name: ${person.name}, Age: ${person.age}`);
}

printInformation(person);