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Laurens Bakker


Simon Fraser University

自 2012 起处于活动状态

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Professional Interests: Cellular Automata and Social Network Analysis

统计学

  • Revival Level 2
  • Knowledgeable Level 2
  • First Answer

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已回答
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...

12 years 前 | 0

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

12 years 前 | 0

已回答
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...

12 years 前 | 0

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

12 years 前 | 0

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已回答
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...

12 years 前 | 0

已回答
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 ...

12 years 前 | 0

已回答
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...

12 years 前 | 0

已回答
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) ...

12 years 前 | 0

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

12 years 前 | 0

已回答
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...

12 years 前 | 0

已回答
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;...

12 years 前 | 0

已回答
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...

12 years 前 | 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...

12 years 前 | 1

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

12 years 前 | 0

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已回答
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...

12 years 前 | 0

已回答
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...

12 years 前 | 0

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

12 years 前 | 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...

12 years 前 | 0