SYMBOLS FOR TIME Cost spent to build variation point i at time = - - PowerPoint PPT Presentation

SYMBOLS FOR TIME τ = time variable t = time now, T target date Cost spent to build variation point i at time τ T = target date T* = modeling limit (t=forever) i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Cost spent to build variation point i at time τ T = target date T* = modeling limit (t=forever) …adjusted by a factor to account for net present value of money r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Expected cost summed over Cost spent to build variation point i at time τ T = target date T* = modeling limit (t=forever) …adjusted by a factor to account for net present value of money all relevant time intervals r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Expected costs of building variation point i T = target date T* = modeling limit (t=forever) incurred from now until time T r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) value of variation point i in product k at time τ at time τ k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) value of variation point i in product k at time τ = marginal value of the ith variation i t i th kth d t t ti at time τ k = index over products point in the kth product at time τ. marginal cost of tailoring variation point i for use in product k r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) …adjusted by a factor to account for net present value of money value of variation point i in product k at time τ = marginal value of the ith variation i t i th kth d t t ti at time τ k = index over products point in the kth product at time τ. marginal cost of tailoring variation point i for use in product k r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) …adjusted by a factor to account for net present value of money summed over all time value of variation point i in product k at time τ = marginal value of the ith variation i t i th kth d t t ti at time τ k = index over products point in the kth product at time τ. marginal cost of tailoring variation point i for use in product k r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) …adjusted by a factor to account for net present value of money Value cannot summed over all time Value cannot be negative value of variation point i in product k at time τ = marginal value of the ith variation i t i th kth d t t ti at time τ k = index over products point in the kth product at time τ. marginal cost of tailoring variation point i for use in product k r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) value of variation point i in product k

• ver all time

k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) value of variation point i in product k

• ver all time…

…and over all products k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date T = target date T* = modeling limit (t=forever) probability that variation point i will be ready for use by time T value of variation point i in product k

• ver all time…

…and over all products k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Expected costs of building variation point i T = target date T* = modeling limit (t=forever) incurred from now until time T probability that variation point i will be ready for use by time T value of variation point i in product k

• ver all time…

…and over all products k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Expected costs of building variation point i T = target date T* = modeling limit (t=forever) incurred from now until time T Value cannot be negative be negative probability that variation point i will be ready for use by time T value of variation point i in product k

• ver all time…

…and over all products k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Expected costs of building variation point i T = target date T* = modeling limit (t=forever) incurred from now until time T Value cannot be negative Value of variation point i

• ver the time interval (t T)

be negative

• ver the time interval (t,T)

probability that variation point i will be ready for use by time T value of variation point i in product k

• ver all time…

…and over all products k = index over products r = assumed interest rate i = index over variation points

SYMBOLS FOR TIME τ = time variable t = time now, T target date Cost spent to build a variation point at time τ Expected cost summed over T = target date T* = modeling limit (t=forever) Value of variation point i

• ver the time interval (t T)

…adjusted by a factor to account for net present value of money all relevant time intervals Value cannot be negative

• ver the time interval (t,T)

be negative Value cannot summed over all time Value cannot be negative probability that variation point i value of variation point i in product k at time τ = will be ready for use by time T marginal value of the ith variation i t i th kth d t t ti expected value

• ver all products

at time τ k = index over products point in the kth product at time τ. marginal cost of tailoring variation point i for use in product k r = assumed interest rate i = index over variation points