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Nicolas Jaccard


University College London

Last seen: más de 2 años hace |  Con actividad desde 2011

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fitcsvm - setting sigma value?
Hi all, I am currently using the built-in "fitcsvm" function to train a classifier and I am slightly confused by the document...

alrededor de 9 años hace | 0 respuestas | 0

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'Simple' object tracking on segmented microscopy images
Dear all, I have developed various microscopy image segmentation algorithms using MATLAB (mostly based on built-in functions ...

más de 10 años hace | 1 respuesta | 0

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Setting AlphaData of an image causes labels of other axes on the same figure to flip?
Dear all, I have a very weird issue. I have a figure with various axes, one to display an image and the others for scatter pl...

casi 11 años hace | 1 respuesta | 0

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

más de 11 años hace

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

más de 11 años hace

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 11 años hace

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

más de 11 años hace

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

más de 11 años hace

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

más de 11 años hace

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

más de 11 años hace

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

más de 11 años hace

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

más de 11 años hace

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Add two numbers
Given a and b, return the sum a+b in c.

más de 11 años hace

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 11 años hace

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C++ vector to MxArray as output for a MEX function
I guess this is a typical case of actually writing the question making me realize what was wrong! I constructed my mxArray us...

más de 12 años hace | 0

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C++ vector to MxArray as output for a MEX function
Hi all, I've been stuck on this for a few days; I have a function with many nested for-loops and I decided to create a MEX ve...

más de 12 años hace | 1 respuesta | 0

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Issues using PARFOR with large object array (slow execution time)
Hello, I have been having issues with some code I am trying to parallelise. I am not sure where the problem is, I explored di...

casi 13 años hace | 2 respuestas | 0

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