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Laurens Bakker


Simon Fraser University

Attivo dal 2012

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Professional Interests: Cellular Automata and Social Network Analysis

Statistica

  • Revival Level 2
  • Knowledgeable Level 2
  • First Answer

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Risposto
How to Normalize variables?
Hi Matt, Normalisation just means: "change the numbers so that both range from 0 to 1". You can do that by subtracting the mi...

oltre 12 anni fa | 0

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Calculating Hamming Distance?
Hi Alex, If you have the Statistics toolbox, you can use the pdist function. Cheers, Laurens

oltre 12 anni fa | 0

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How to reduce the time?
Hi Shifat, the base MATLAB distribution has a function for this: P = dec2bin( fix(s) ); where fix() cuts off the frac...

oltre 12 anni fa | 0

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parfor using
Hi Yildirim, There is considerable overhead in gathering the data back into a single variable. I removed the assignments and ...

oltre 12 anni fa | 0

| accettato

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Array of objects - speed issues
Hi Gabriel, I have had the same experience of MATLAB slowing down when using OO design, particularly with handles. I've never...

oltre 12 anni fa | 0

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basic question on how to find mean distance between an interior point and all of the vertex points of the convex hull
Hi Andrew, If you have the Statistics toolbox, use the pdist function to compute the distance between a vector of points and ...

oltre 12 anni fa | 0

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overlapped objects counting in matlab
Hi Faisal, I'm not sure if MATLAB is the right tool for this. Take a look at <http://boost-geometry.203548.n3.nabble.com/inte...

oltre 12 anni fa | 0

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reordering a matrix
Hi Ramya, First, you re-order the known image according to the sorted order column by column: for i=1:size(avgtar,2) ...

oltre 12 anni fa | 0

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Possible to come out with a adjacency matrix?
B is the an adjacency matrix.

oltre 12 anni fa | 0

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Tab completion produces no filenames (Mac OS)
Hi Eric, There is no tab completion on strings because they are literals. MATLAB does not know that the string you are typing...

oltre 12 anni fa | 0

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Addition of time series' values in array
Why not just use a for loop? sum = zeros( size(OBJECTS(1).PROP.Data ); for obj=OBJECTS sum = sum + obj.PROP.Data;...

oltre 12 anni fa | 0

Risposto
Function handle invoking Java reports syntax error?
Hi Ahmed, anonymous functions are not allowed to store any data, and accessing a field of java.io.File(d) probably implicitly...

oltre 12 anni fa | 0

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How can I find the coefficient of trasfer function in detail? (more than 4 unit)
Hy Hyetan, sys2 is an object that has fields num and den, for numerator and denominator, so sys2.num{:}(2) is the val...

oltre 12 anni fa | 1

| accettato

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about function argument
Yes you can. MATLAB is not a typed language, so you could write something like: function [outputs] = foo ( myNeuralNet, ot...

oltre 12 anni fa | 0

| accettato

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Minimizing the Maximum Value of an Array
This seems like a general constrained optimisation function. Since you have already formulated your objective function, you coul...

oltre 12 anni fa | 0

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Calculate Service Area For Fire Station Bye use Shortest Path
Service areas by access times are usually calculated as voronoi diagrams (see the voronoi() function) or by a multi-source bread...

oltre 12 anni fa | 0

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k-means clustering
MATLAB actually has a built-in clustering function called kmeans. Assuming you can reshape your data to match the format expecte...

oltre 12 anni fa | 0

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JMI ?
Please consult <www.mathworks.com/products/javabuilder/> for details on converting matlab programmes to JAVA. JMI is not directl...

oltre 12 anni fa | 0