Suppose that instead of the direct constraints xi 0 we had xi bi(bi 0). Show how the Lagrange procedure can be modified to handle this case. [Hint: either redefine the variables xi so as to put the...

Suppose that instead of the direct constraints xi 0 we had xi bi(bi


0). Show how the Lagrange procedure can be modified to handle this case. [Hint: either redefine the variables xi so as to put the direct constraints in non-negativity form, or treat the new constraints as a special form of functional constraints.]