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A comment on Being a Data Scientist: My Experience and Toolset. Parent comment
That is to say problems that can't be expressed by linear functions.
I.e. Y= mx + B is a linear function.
Y= ax^2 + bx + C is a polynomial (non linear) function.
Linear Programming (LP) involves solving a series of linear equations (something like Excel's Solver can do this).
When you are dealing with non linear functions you need to use a method such as Sequential Quadratic Programming (SQP).
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That is to say problems that can't be expressed by linear functions.
I.e. Y= mx + B is a linear function.
Y= ax^2 + bx + C is a polynomial (non linear) function.
Linear Programming (LP) involves solving a series of linear equations (something like Excel's Solver can do this).
When you are dealing with non linear functions you need to use a method such as Sequential Quadratic Programming (SQP).