Tom Holz

Last seen: circa un anno ago

1.347 total contributions since 2012

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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...

circa un anno ago | 0 answers | 3

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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...

circa un anno ago

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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 ...

circa un anno ago

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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...

circa un anno ago

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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; ...

circa un anno ago

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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...

circa un anno ago

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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...

circa un anno ago

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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...

circa un anno ago

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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...

circa un anno ago

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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...

circa un anno 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...

circa un anno ago | 1

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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,...

circa un anno ago

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

circa un anno ago

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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...

circa un anno ago

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

circa un anno ago

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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...

circa un anno 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...

circa un anno ago | 1

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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...

circa un anno 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...

oltre un anno ago | 0

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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...

oltre un anno 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 ...

oltre un anno 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...

oltre un anno ago

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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 ...

oltre un anno 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...

oltre un anno 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...

oltre un anno 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...

oltre un anno 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...

oltre un anno 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...

oltre un anno 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 ...

oltre un anno 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...

oltre un anno ago

Tom Holz

Last seen: circa un anno ago

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