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Question

Is there a better way to enforce singleton behavior in AppDesigner applications?

When you click "Run" from inside the App Designer window, any existing instance of that app will be closed before a new one is c...

1 year ago | 0 answers | 3

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answersSolved

Split array into pieces according to corresponding array

An array x of length n has values 1...m with each value appearing at least once. The values are sorted (n>=m). A second...

1 year ago

Solved

Find the distance between runs

Another question inspired by the <http://uk.mathworks.com/matlabcentral/answers/?s_tid=gn_mlc_an answers forum>: A vector of ...

1 year ago

Solved

Find the same and successive values in a vector

Find the same and successive values in a vector. For example: Input x = [ 1 0 0 1 1 1 1 0 1 1 1 0 0 0 1 ] Start and end...

1 year ago

Solved

Combine Data With Gaps

Combine data sets a and b where the datasets have "gaps" or unique points. Example: Input a = [1,0; 2,1; ...

1 year ago

Solved

How close to a hole

Suppose you have a description of good places (ones) and bad places (zeros). You want to know your distance from a bad place (in...

1 year ago

Solved

How to reverse spdiags ?

The spdiags function extracts all nonzero diagonals from the m-by-n matrix A. So if A=[1 2 3;4 5 6;7 8 9], spdiags(A)=[7 4...

1 year ago

Solved

Find indices of diagonal elements

Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

1 year ago

Solved

Find Elements in Range

Based on a question on <http://www.mathworks.com/matlabcentral/answers/ MATLAB Answers>. Find all the elements of a vector wh...

1 year ago

Solved

longest sequence of nans

In an array return the length of longest sequence of nans for each column. x = [ 2 3 1 2 5 6; nan nan 5 n...

1 year ago

Grouping into a table

In a situation like this, I usually plan out the table I want to see in advance, and then create variables that I can use to cre...

1 year ago | 1

| accepted

Solved

I've got the power! (Inspired by Project Euler problem 29)

Consider all integer combinations of a^b and b^a for the integer values 2 ≤ a ≤ 4 and 2 ≤ b ≤ 5: 2^2=4, 2^3=8, 2^4=16,...

1 year ago

Solved

Energy of an object

Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

1 year ago

Solved

Shuffle

Shuffle a vector by breaking it up to segments of |n| elements, and rearranging them in a reversed order. For example, the ve...

1 year ago

Solved

Capitilize the first letter of every word in a string

For a given input string, capitalize every letter at the beginning of a word, and transform the rest of the letters to lower-cas...

1 year ago

Need a better way to loop through a Matrix column and then output the row

Something like this for k = 1:size(Nodal_Coordinates,1) % Find the index of the kth row ind = find(Nodal_Coordi...

1 year ago | 1

| accepted

Is there a -batch option prior to 2019a, i.e., in 2017a

[ EDIT: the command-line below is wrong. See Edric and Steven's comments for the correct way to emulate batch functionality on o...

1 year ago | 0

How to change pixels to a different colour with a greyscale image?

Here's a hacky approach that does the job: I = imread('CTimagem.png'); mask = I < 8000; Ired = I; Igreen = I; Iblue = I...

2 years ago | 0

| accepted

Solved

Vector push

Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

2 years ago

Solved

Approximate the cosine function

Without using MATLAB trigonometric functions, calculate the cosine of an argument |x| to a precision of |0.0001| *Hint:* You ...

2 years ago

Solved

Size of this cup?

The given vector has diameter of the cup in mm sampled at micrometer increments in depth from top to bottom, need output in cc a...

2 years ago

Solved

Simulate one complete step in the Biham–Middleton–Levine traffic model

The <http://en.wikipedia.org/wiki/Biham%E2%80%93Middleton%E2%80%93Levine_traffic_model Biham–Middleton–Levine traffic model> is ...

2 years ago

Solved

Data Regularization

Provided is an m-by-n integer data matrix A whose elements are drawn arbitrarily from a set *S* = [1,2,3,...,S] for any large in...

2 years ago

Solved

Find the Final State of an Abelian Sandpile

Let us define an <http://nautil.us/issue/23/dominoes/the-amazing-autotuning-sandpile Abelian sand pile> as a matrix that is only...

2 years ago

Solved

Fill the Matrix - 2

Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the me...

2 years ago

Solved

Fill the matrix - 1

Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the s...

2 years ago

Solved

Cookie Cutters

Given a larger and smaller matrix, perform element-by-element multiplication on the smaller matrix and a sub-matrix of the large...

2 years ago

Solved

Construct a "diagAdiag" matrix

Construct a matrix whose elements begin from 1 and end at n^2 with the order of arrangement as shown below: For: n = 4 ...

2 years ago

Solved

Maximum of each diagonal

The well-known <http://www.mathworks.com/help/matlab/ref/max.html max> function can operate along either the rows or the columns...

2 years ago