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Tom Holz


Last seen: 2 years ago |  Active since 2012

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  • Knowledgeable Level 2
  • 3 Month Streak
  • Matrix Manipulation III Master
  • Indexing III Master
  • First Answer
  • Logic
  • Sequences And Series II Master
  • Project Euler I
  • Introduction to MATLAB Master
  • Community Group Solver
  • Matrix Manipulation II Master
  • Strings II Master

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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...

2 years ago | 0 answers | 3

0

answers

Solved


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...

2 years 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 ...

2 years 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...

2 years 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; ...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years ago

Answered
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...

2 years 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,...

2 years ago

Solved


Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

2 years 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...

2 years 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...

2 years 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...

2 years ago

Answered
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...

2 years ago | 1

| accepted

Answered
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...

2 years ago | 0

Answered
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

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