Plot correct values

[Felipe]

The idea is use "originT" to store the value of "T" every time that enter in the while. So I can change the value of "T"...

And what happens to the value of "originT" in that moment?
Maybe try a copy instead, it can be done with a minor code change:

originT = T[:]

I tried that and doesn't work. I really don't understand the problem.

I use:

originB = B
B = B + cte

Them, when I print "originB" and "B" that's ok. These arrays has different values.

But if I use:

originT = T
dx = len(T)

for i in range(dx):
    if T[i] >= 0:
        T[i] = T[i] + cte
    else:
        T[i] = T[i] - cte

When I print "originT" and "T", they have the same value. Why? If change "T" means change "originT", the same would be true for "originB" and "B".