Tom Holz

Last seen: ongeveer 2 maanden ago | Active since 2012

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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...

meer dan 4 jaar 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 ...

meer dan 4 jaar 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...

meer dan 4 jaar 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; ...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar ago

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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,...

meer dan 4 jaar ago

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

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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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...

meer dan 4 jaar 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 ...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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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 ...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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Sort rows of a matrix
Sort rows of matrix A in an ascending order according to the last column Example input: A = [1 2 3;7 8 9;4 5 6]; Exam...

meer dan 4 jaar ago

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Index one element in each vector of an array along a given dimension
Functions like min and max can return in their second output argument the index of the element in each vector along a particular...

meer dan 4 jaar ago

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return row and column indices given 2 values which define a range
Inspired by problem <http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice> Inputs: - ...

meer dan 4 jaar ago

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compress sequence into intervals
You're given a row vector of monotonically increasing integers most of which are consecutive. Find the upper and lower bounds of...

meer dan 4 jaar ago

Tom Holz

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