Hello,
referring to Michael Kays math formula representation I provide more details
what I am searching for.
food item 1: X1 = { x1_1,x1_2,...,x1_n }, where x1_n are food ingredients in
mg/ 100 g ; X are extracted as nodes from xml db
food item 2: X2 = { x2_2,x2_2,...,x2_n }, where x2_n are food ingredients in
mg/ 100 g
...
every food ingredient of one single food item should be multiplied with his own
weight factor Y
food item X1 - weight factor Y1
food item X2 - weight factor Y2
Therefore the math formula may be described as followes :
Y1 * X1 = Y1 * x1_1, Y1 * x1_2,..., Y1 * x1_n }
Y2 * X2 = Y2 * x2_1, Y2 * x2_2,..., Y2 * x2_n }
After multiplication with the weight factor the summation over the single food
ingredients
should be done as followes :
Y1 * x1_1 + Y2 * x2_1 + ...+Yn * xn_n
Thanks for quick answer.
best regards
Peter Teichert
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