# Adam

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Professional Interests: Signal Processing, OOP, Matlab GUI programming, Machine Learning

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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...

13 days 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)) ...

13 days 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.

13 days 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 ...

13 days 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...

13 days ago

Solved

Get the length of a given vector

Given a vector x, the output y should equal the length of x.

13 days ago

SOM neighbor connections raw data

>> net.layers{:} ans = Neural Network Layer name: 'Layer' dimensions: [8 8] distanceFcn: 'linkdist' distanceParam: ...

12 months 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...

12 months 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...

4 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...

4 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 = [...

4 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...

4 years ago | 1

| accepted