Diet Problem calories Cl C2 ●●●●● Cn healthy vitamin 1 a11 a12 ●●● aIn ≥b1 ● vitamin mn aml ☑m2 ●●●●●● amn ≥bm solution: X1 X2 Xn minimize the total calories while keeping healthyc1 c2 cn a11 a12 a1n am1 am2 amn Diet Problem calories vitamin 1 vitamin m ≥ b1 ≥ bm solution: x1 x2 xn healthy minimize the total calories while keeping healthy