Answered

Convert data from minutes to hourly average

If your data is in timetable / table format. You can use the groupsummary to summarise your data into any intervals. a = groups...

Convert data from minutes to hourly average

If your data is in timetable / table format. You can use the groupsummary to summarise your data into any intervals. a = groups...

5 månader ago | 0

Answered

Multiple callbacks to one callback

You can assign the same function as callback to multiple ui components. Inside you function you will need to be able to access ...

Multiple callbacks to one callback

You can assign the same function as callback to multiple ui components. Inside you function you will need to be able to access ...

5 månader ago | 0

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Answered

How to convert selected image to gray scale using MATLAB GUI

Before you can process the image, you need to load it using imread. Also it's a bad idea to directly concatenate file paths. Fo...

How to convert selected image to gray scale using MATLAB GUI

Before you can process the image, you need to load it using imread. Also it's a bad idea to directly concatenate file paths. Fo...

5 månader ago | 0

Answered

How can I get the exact plots mentioned in the figure below

You can start here N = 50; O = 10*randn(2,10*N); tiledlayout(2,5); for i = 1:10 ax = nexttile; X = 10*randn(2,64); % gener...

How can I get the exact plots mentioned in the figure below

You can start here N = 50; O = 10*randn(2,10*N); tiledlayout(2,5); for i = 1:10 ax = nexttile; X = 10*randn(2,64); % gener...

5 månader ago | 0

Answered

Is it possible to use Arrayfun across rows

Something like this will work. i = [false; A.Var1(1:end-1) == A.Var1(2:end)]; j = find(i); A.Var3(i) = A.Var2(j) .* A.Var2(j-...

Is it possible to use Arrayfun across rows

Something like this will work. i = [false; A.Var1(1:end-1) == A.Var1(2:end)]; j = find(i); A.Var3(i) = A.Var2(j) .* A.Var2(j-...

5 månader ago | 0

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Find last zero for each column

Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

5 månader ago

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Count consecutive 0's in between values of 1

So you have some vector that contains 1's and 0's, and the goal is to return a vector that gives the number of 0's between each ...

5 månader ago

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Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

5 månader ago

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Symmetry of vector

Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

5 månader ago

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Create an n-by-n null matrix and fill with ones certain positions

The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

5 månader ago

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Implement a bubble sort technique and output the number of swaps required

A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

5 månader ago

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Find the sides of an isosceles triangle when given its area and height from its base to apex

Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

5 månader ago

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Is the Point in a Triangle?

Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

5 månader ago

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Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

5 månader ago

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Find my daddy long leg (No 's')

Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

5 månader ago

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Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

5 månader ago

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Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

5 månader ago

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Calculate the area of a triangle between three points

Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

5 månader ago

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Natural numbers in string form

Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

5 månader ago

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Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

5 månader ago

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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

5 månader ago

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Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

5 månader ago

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Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

5 månader ago

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Convert a Cell Array into an Array

Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

5 månader ago

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Split a string into chunks of specified length

Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

5 månader ago

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Convert a numerical matrix into a cell array of strings

Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

5 månader ago

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Create a cell array out of a struct

Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

5 månader ago

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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

5 månader ago

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Find out sum and carry of Binary adder

Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

5 månader ago

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There are 10 types of people in the world

Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

5 månader ago