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# Iro

### KTH

13 total contributions since 2013

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Question

How to identify same pattern with phase difference among rows?
Hi all! I have constructed a matrix (254864x6) with the following logic: Create all possible combinations of six integers (...

3 years ago | 0 answers | 0

### 0

Question

How to simulate train arrivals and track occupation at a station?
Hi! I would like to show the occupation level of a railway station, given a timetable. As input, I have frequency of arrival...

3 years ago | 1 answer | 0

### 1

Question

How to plot a surface given a vector with data?
Hi all, I have a vector of data which correspond to deviations of a base value. Let's say vector D D= [0 1 5 11 32 4 5 ...

4 years ago | 1 answer | 0

### 1

Question

Genetic Algorithm with Custom Functions
Hi, I am using GA with Custom functions for |Population Creation| , |FitnessFcn| , |CrossOver| and |Mutation| . I run it eit...

4 years ago | 0 answers | 0

### 0

Question

Error in Matlab Genetic Algorithm optimization
Hi, I am using GA App in Matlab but by writing my own functions for Population creation, Crossover and Mutation. My populati...

4 years ago | 1 answer | 0

### 1

Question

How to implement all or nothing assignment in a graph / network ?
Hi, I have a transport network of |n| nodes represented by a ( |nxn| ) matrix |A| . This matrix contains zeros for non existi...

4 years ago | 0 answers | 0

### 0

Question

How do I group/merge an O-D matrix?
Hi, I have an excel sheet with an OD matrix (lets say 200x200) which looks like that: KK KK KK LL KK LL 200x200 ...

4 years ago | 1 answer | 0

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Question

How do I apply exponential and logarithmic curve fitting
Hi, I have some scatterplots and I want to check the relationships between the variables which resemble exponential and loga...

4 years ago | 2 answers | 0

### 2

Question

How to fit a long tail in histogram in one bin?
Hi, I have a vector |X| with some time values in sec. I want to make a histogram of its distribution, but since it has a long...

5 years ago | 1 answer | 0

### 1

Question

How to find compare unequal size matrices and create new matrix by combining them??
Hi, I have the following matrices: X = [1001 1011 1001 10 130 0.8 0.2; 1001 1012 1001 11 150 0.2 0.8; 1001 10...

5 years ago | 1 answer | 0

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Question

How can I sort a matrix according to column IDs and identify same combinations?
Hi, I edit the question: I have matrix M with six columns and n rows: M = [HomeID, WorkID, SchoolID, ShopID, timeS, ...

5 years ago | 1 answer | 0

### 1

How can I write a matrix into a tab delimited .dat file with header?
Hi Walter, thank you for your answer. I understand the transpose to some extent but I do not get the dot. However it indeed ...

5 years ago | 0

Question

How can I write a matrix into a tab delimited .dat file with header?
Hi, I would like to ask you the following: I have a matrix (lets call it |Output[]|) with numbers (integ, decimal and bool)...

5 years ago | 2 answers | 0