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Solved
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...
6 months ago
Solved
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)) ...
6 months ago
Solved
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
6 months ago
Solved
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 ...
6 months ago
Solved
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...
6 months ago
Solved
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
6 months ago
SOM neighbor connections raw data
>> net.layers{:} ans = Neural Network Layer name: 'Layer' dimensions: [8 8] distanceFcn: 'linkdist' distanceParam: ...
1 year ago | 0
| accepted
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...
1 year ago | 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...
1 year ago | 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...
1 year ago | 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 ...
1 year ago | 1
| accepted
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...
1 year ago | 1 answer | 0
1
answerHow 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) );...
2 years ago | 0
| accepted
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...
3 years ago | 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...
3 years ago | 2 answers | 6
2
answersRemoving "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...
3 years ago | 1
| accepted
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...
3 years ago | 0
| accepted
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...
3 years ago | 0
| accepted
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 ...
3 years ago | 0
| accepted
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],...
4 years ago | 2
| accepted
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...
4 years ago | 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...
5 years ago | 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...
5 years ago | 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 = [...
5 years ago | 1
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...
5 years ago | 1
| accepted
