x = [ ...
1.565 , 1.452 , 0.96232 , 0.82495 , 0.72321 , 0.66069 , 0.50111 , 0.4532 , 0.25925 , -0.20407 ; ...
1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 ];