The mathematics of a network with gains, or generalized network, is connected with the frame matroid of the gain graph.
ðə mˌæθɪmˈæɾɪks əvə nˈɛtwɜːk wɪð ɡˈeɪnz, ɔːɹ dʒˈɛnɚɹəlˌaɪzd nˈɛtwɜːk, ɪz kənˈɛktᵻd wɪððə fɹˈeɪm mˈætɹɔɪd ʌvðə ɡˈeɪn ɡɹˈæf.