# User Portlet

Discussions |
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Hello everybody, I am trying to find an utility function full filling the following properties. 1) u(x) is twice continously differentiable 2) u'(x) > 0 and u''(x) |

Hey, i am working on a project as student and i have some difficulties. The general problem is the following. We have an objective function, we calculate the first order condition(s) and solve. In the attached file you see that to get to the solution... |

Hey everyone, i got an issue and i got problems to find it. I added 2 different files in the appendix. One is named maximizing working where the command is doing what i need it to do and one is called maximizing not working for which as the name... |

first ty for your suggestion. this is the result and it looks nice. ![enter image description here][1] This is good and i could work with it but honestly i would like to have lines added for the intersection. here is what i mean, ![enter... |

hey matheamtica community, im working on a project and i got a problem. I want to perform a logical test in order to check if two expression are the same. my code is the following: test1 = (2 epsH r[b[t]] - b[t] (1 + r[b[t]])^2)/( ... |

hey, i attached a short file with a code that produces the problem i have. In[44]:= \[Epsilon]L = -\[Epsilon]H \[Epsilon] = UniformDistribution[{\[Epsilon]L, \[Epsilon]H}] g[\[Epsilon]_] := PDF[\[Epsilon], x] \[Rho]L = 1 +... |

hey Jim Baldwin, ok ty for your reply. I got some further questions to your answer. Considering the subscript, what about time indices. Lets say we have x_t and x_t+1 . Are subscripts not fine for time indices? How would you handle a model... |