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Nicolas Jaccard


University College London

Last seen: oltre 2 anni fa Attivo dal 2011

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Domanda


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...

circa 9 anni fa | 0 risposte | 0

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risposte

Domanda


'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 ...

oltre 10 anni fa | 1 risposta | 0

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risposta

Domanda


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...

oltre 10 anni fa | 1 risposta | 0

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Risolto


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...

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risolto


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:...

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risolto


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 ...

oltre 11 anni fa

Risolto


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

oltre 11 anni fa

Risolto


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...

oltre 11 anni fa

Risposto
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...

oltre 12 anni fa | 0

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Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 12 anni fa | 2 risposte | 0

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risposte