David K
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I spend a lot of time in MATLAB, with my focus on signal processing and data analysis.
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29 Questions
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MATLAB Central Community 20 Year Anniversary Treasure Hunt participant badge
Awarded to David K on 13 Sep 2021
MATLAB Central Treasure Hunt finisher badge
Awarded to David K on 16 Dec 2020
Accept 5 answers given by other contributors
Awarded to David K on 20 Apr 2021
Solve all the problems in Cody5:Easy
Awarded to David K on 24 Jun 2021
Solve all the problems in Number Manipulation II problem group
Awarded to David K on 19 Apr 2021
Solve all the problems in ASEE Challenge
Awarded to David K on 02 Apr 2021
Solve Project Euler problems using Matlab
Awarded to David K on 25 Jan 2021
Solve all the problems in Cody Challenge
Awarded to David K on 02 Sep 2020
Solve all the problems in Indexing I
Awarded to David K on 02 Sep 2020
Solve all the problems in CUP Challenge
Awarded to David K on 07 Jul 2020
Like a problem or solution
Awarded to David K on 29 May 2020
Solve a community group
Awarded to David K on 29 May 2020
Feeds
Question
How to determine if an axes already has a colorbar?
I would like to determine if an axes already has a colorbar. I have code which plots many objects on the same axes, but I only w...
7 månader ago | 1 answer | 0
1
answerQuestion
Creating a scatter plot with patch
I am working with code created by someone else long ago that performs a lot of complex custom plotting tasks. I also have my own...
8 månader ago | 1 answer | 0
1
answerSolved
Find x rows where the sum of the numbers is the maximum
Find x rows where the sum of the numbers is the maximum. For example: when x is 2 and m is 2 3 5 0 2 3 5 5 6 0 9 4 then y =...
12 månader ago
Solved
Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...
12 månader ago
Solved
Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...
12 månader ago
Solved
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
12 månader ago
Solved
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
12 månader ago
Solved
the average value of the elements
Calculate the average value of the elements in the array
12 månader ago
Question
Scroll to location within uidropdown
I have a uidropdown with a very long list of options. I would like to set it so that when a user clicks on the dropdown it autom...
mer än ett år ago | 1 answer | 0
1
answerQuestion
How do I extract custom data tip info
I have created custom data tips for my plot using the DataTipTemplate functionality. When I add cursors to a plot they display n...
mer än ett år ago | 1 answer | 0
1
answerQuestion
Very slow adding datatips to datetime plots
I have a custom plotting tool that allows me to plot my data in many different formats. I've found that when my time variables a...
mer än ett år ago | 1 answer | 0
1
answerQuestion
Extreme delays when creating parpool in newer releases
I am trying to do some parallel processing and have run into issues when creating the worker pool. When I run the parpool comman...
ungefär 2 år ago | 0 answers | 0
0
answersQuestion
NaN value in data tip causes error
I am using dataTipTextRow to create custom data tips for my plot. I have found that when there is a NaN value in the Value field...
mer än 2 år ago | 0 answers | 0
0
answersQuestion
Unable to change default radio button in button group
I am building an app in appdesigner which contains a Radio Button Group. I recently decided to add a new radio button option to ...
ungefär 3 år ago | 1 answer | 0
1
answerSolved
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
ungefär 3 år ago
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