Revisions to How to get the correct result in a simple operation in Mathematica

add explicit result

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edited Nov 23, 2018 at 21:58

The result from the loop is correct. You are using two different sets of numbers. Here is the loop computation without loops.

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y  (* {0, -(261/154700000)} *)

The result from the loop is correct. You are using two different sets of numbers. Here is the loop computation without loops.

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y

The result from the loop is correct. You are using two different sets of numbers. Here is the loop computation without loops.

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y  (* {0, -(261/154700000)} *)

elaborate in response to comment

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edited Nov 23, 2018 at 17:54

The result from the loop is correct. You are using two different sets of numbers. Here is the loop computation without loops.

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y

The result from the loop is correct. You are using two different sets of numbers. Here is the loop computation without loops.

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y

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created Nov 23, 2018 at 17:26

x = {4/5,31/39}
y = {2/5, 145/357}
A = {62243/100000, 3239/6250, 17631/25000}
A[[3]] - A[[1]]*x - A[[2]]*y

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