If you have two strategy pairs (x0,y0),(x1,y1), you can form a convex combination of them like this: Flip a weighted coin; play strategy 0 on heads and strategy 1 on tails. This scheme requires both players to see the same coin flip.
If you have two strategy pairs (x0,y0),(x1,y1), you can form a convex combination of them like this: Flip a weighted coin; play strategy 0 on heads and strategy 1 on tails. This scheme requires both players to see the same coin flip.