Computational and Mathematical Methods in Medicine

Research Article

A Probability Approach to the Study on Uncertainty Effects on Gamma Index Evaluations in Radiation Therapy

Table 2

𝜆 1 = ( 𝜎 𝑡 𝑑 2 + 𝜎 𝑟 𝑑 2 ) / Δ 𝐷 2 ℎ 1 = 1 𝛿 2 1 = ( 𝑑 𝑡 𝑘 𝑙 − 𝑑 𝑟 𝑖 𝑗 ) 2 / ( 𝜎 𝑡 𝑑 2 + 𝜎 𝑟 𝑑 2 )
𝜆 2 = ( 𝜎 𝑡 𝑠 2 + 𝜎 𝑟 𝑠 2 ) / Δ 𝑅 2 ℎ 2 = 2 𝛿 2 2 = ( ( 𝑥 𝑡 𝑘 𝑙 − 𝑥 𝑟 𝑖 𝑗 ) 2 + ( 𝑦 𝑡 𝑘 𝑙 − 𝑦 𝑟 𝑖 𝑗 ) 2 + ( 𝑧 𝑡 𝑘 𝑙 − 𝑧 𝑟 𝑖 𝑗 ) 2 ) / ( 𝜎 𝑡 𝑠 2 + 𝜎 𝑟 𝑠 2 )