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Feeds
A résolu
Apply a function array to an array of numbers
It is required to apply a cell array of functions to a numerical array, where the functions accept only scalar inputs. Exampl...
5 mois il y a
A résolu
Function composition
Write a function that accepts two function handles f and g and returns the composition h. That is, h = (f o g)(x) = f(g(x)) ...
5 mois il y a
A résolu
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
5 mois il y a
A résolu
Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
5 mois il y a
A résolu
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...
5 mois il y a
A résolu
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
5 mois il y a
SOM neighbor connections raw data
>> net.layers{:} ans = Neural Network Layer name: 'Layer' dimensions: [8 8] distanceFcn: 'linkdist' distanceParam: ...
plus d'un an il y a | 0
| A accepté
Changing colors of outlier markers, median and whiskers in a box and whisker plot
I'm surprised boxplot has no option to return any graphics handles like most plotting functions do, but you can do the ugly appr...
plus d'un an il y a | 1
What frustrates you about MATLAB? #2
Having used it more extensively in the last number of months, my biggest frustrations still surround the App designer. It has i...
plus d'un an il y a | 3
add text above the legend on pie chart
I can't run your code to test, but lgd1.Title.String = "percentage values" should work (instead of passing it into the call to...
plus d'un an il y a | 0
Matrix array in a strange format
It's a sparse array so that is standard. You can use: full( kio ) to convert to a full (standard) matrix if you wish, though ...
plus d'un an il y a | 1
| A accepté
Question
Is it possible to disable parent node selection in a uitree?
Is there any way to disable certain nodes in a uitree from being selectable? In particular I have a situation similar to that s...
plus d'un an il y a | 1 réponse | 0
1
réponseHow to not use a for loop
function I = intMidpointScalar(f, a, b, n) j = 0.5:n; h = (b-a)/n; x = a + j * h; I = sum( h * f(x) );...
plus de 2 ans il y a | 0
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Iteration is not stopping. Can you please help thanks.
Which iteration is not finishing? You have a nested for loop and two while loops in that code. I assume you mean one of the wh...
environ 3 ans il y a | 0
Question
Change to code formatting behaviour in editor in R2021b?
Does anyone know if this is a change in default formatting behaviour for indents and formatting behaviour or whether I am just m...
plus de 3 ans il y a | 2 réponses | 6
2
réponsesRemoving "head" entry from doubly linked list
Unless I am totally misunderstanding (possible given my initial confusion in my comment) your class works fine. What isn't fine...
plus de 3 ans il y a | 1
| A accepté
how to find the count of unique values of a column in a array?
doc histcounts should give you the number of each of the elements in your array, so long as you parameterise it correctly if yo...
plus de 3 ans il y a | 0
| A accepté
how to create a vector with known indices numbers
result = vector( positions ); will give you this, if what you mean is you want the numbers from those positions of vector rathe...
plus de 3 ans il y a | 0
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what does k = 0:25.5:255 function means
doc colon It means create an array starting at 0, incrementing by 25.5 each time, with a maximum value of 255. Easiest way to ...
plus de 3 ans il y a | 0
| A accepté
Resize and sum a matrix
If you have the Image Processing Toolbox you can use blockproc something like the following: array2 = blockproc( array1, [n n],...
environ 4 ans il y a | 2
| A accepté
Whats the difference when using [ ] and : ?
key = [1 2 3 4 5 6 7 8 9 10]; res = reshape( key, 2, [] ); would give res = [ 1 3 5 7 9 2 4 6 8 10 ]; The [] indica...
plus de 4 ans il y a | 1
Get row and column of the closest value of a matrix from a variable
If you are using an up to date version of Matlab (scanning the release notes I think R2019a or later for the particular syntax o...
environ 5 ans il y a | 0
How to round the decimal values?
ceil( 0.7954 * 1000 ) / 1000 It should also be noted though that many seemingly 'round' decimal numbers cannot be perfectly rep...
environ 5 ans il y a | 0
Problem with loop index
Calculate the indices of all the rows you want to delete , then delete them all in one go afterwards, as e.g. rowsToDelete = [...
environ 5 ans il y a | 1
Array indexing nth spaced element
a( 1:n:end )
environ 5 ans il y a | 0
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How to remove outlier by 2.5 standard deviations from the mean?
Looking at the help in doc filloutliers this should work: filloutliers(A,'center','mean','ThresholdFactor', 2.5) replacing A...
environ 5 ans il y a | 1
| A accepté
