Community Profile

photo

Tom Holz


Last seen: 5 days 前 自 2012 起处于活动状态

统计数据

All
  • 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
  • Matrix Manipulation II Master
  • Strings II Master
  • R2016b Feature Challenge Master

查看徽章

Content Feed

排序方式:

提问


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...

4 years 前 | 1 个回答 | 3

1

个回答

已解决


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...

4 years 前

已解决


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 ...

4 years 前

已解决


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...

4 years 前

已解决


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; ...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已回答
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...

4 years 前 | 1

| 已接受

已解决


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,...

4 years 前

已解决


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

4 years 前

已解决


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...

4 years 前

已解决


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

4 years 前

已解决


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...

4 years 前

已回答
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...

4 years 前 | 1

| 已接受

已回答
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...

4 years 前 | 0

已回答
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...

4 years 前 | 0

| 已接受

已解决


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...

4 years 前

已解决


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

4 years 前

已解决


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...

4 years 前

已解决


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 ...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已解决


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...

4 years 前

已解决


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

4 years 前

已解决


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 ...

4 years 前

已解决


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...

4 years 前

加载更多