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Question
create ordinal array for multiple groups
I need to categorize a dataset according to different groups. For the example below, I want to create an ordinal array that diff...
mer än 10 år ago | 0 answers | 0
0
answersQuestion
How to use ISMEMBER when not all rows match
I'm trying to dynamically update and compare values corresponding to their respective ID. This problem is easy if all ID's are s...
ungefär 11 år ago | 1 answer | 0
1
answerQuestion
Linprog doesn't satisfy b constraints when it contains negative coefficients?
I'm trying to maximize an objective function using linprog. A simplified version (of an assignment problem) is to maximize: ...
mer än 11 år ago | 1 answer | 0
1
answerQuestion
FMINCON giving incorrect values?
I am trying to solve the max of the following nonlinear function: F = (((.8*buyp*1.1+.2*buyp*.95)-buyp)*265000*7.33)/(1+0...
mer än 11 år ago | 1 answer | 0
1
answerQuestion
How to overwrite some workspace variables in a dynamic program?
Hello, I have a dynamic program that creates objects in the workspace (datasets, matrices) with the same name each loop but t...
nästan 12 år ago | 2 answers | 0
2
answersQuestion
Solve non-linear equation with 2 unknowns and lb/ub constraints
Hello, I'm trying to maximize an objective function with 2 unknown variables subject to lower/upper bound constraints on the un...
nästan 12 år ago | 2 answers | 0
2
answerscreating weighted sample for a matrix
Thanks Sean, I figured it out. I add a unique ID to the first column of the sample matrix (route_sample) and perform randsample ...
nästan 12 år ago | 0
| accepted
Question
creating weighted sample for a matrix
I need to create a sample from an m by n matrix. Each row has a probability associated with it and can be treated as one obser...
nästan 12 år ago | 2 answers | 0
2
answersQuestion
How to freeze a random sample
I need to generate a random sample between (0,1) and freeze it so that when I run the program again it generates the same "rando...
mer än 12 år ago | 4 answers | 0
4
answersQuestion
Looping through 3D matrix
Hi, I'm trying to populate a 3D matrix of zeros (3x14x12), nextvoy with a subset of rows in another matrix, trade, according to ...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
Looping through two matrices with IF statement
[EDIT: Mon May 23 16:36:16 UTC 2011 - Reformat - MKF] Hello, I am having problems with my for loop statement (see code at botto...
nästan 13 år ago | 1 answer | 0