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2024-02-09 00:14:15 +0200 marked best answer Get a half point of a point on elliptic curve.

Let $E$ be an elliptic cuve on finite field, $P\in E$ be a rational point. Then, I want to get one of point $Q\in E$ such that $2Q=P$.

What shoud I do?

2024-02-09 00:14:15 +0200 received badge  Scholar (source)
2024-02-03 01:14:36 +0200 asked a question Get a half point of a point on elliptic curve.

Get a half point of a point on elliptic curve. Let $E$ be an elliptic cuve on finite field, $P\in E$ be a rational point