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 Preguntas
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257 Soluciones
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MEDIA DE ME GUSTA
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
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Pregunta
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...
alrededor de 1 mes hace | 1 respuesta | 0
1
respuestaPregunta
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...
2 meses hace | 1 respuesta | 0
1
respuestaResuelto
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 =...
6 meses hace
Resuelto
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...
6 meses hace
Resuelto
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;...
6 meses hace
Resuelto
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
6 meses hace
Resuelto
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
6 meses hace
Resuelto
the average value of the elements
Calculate the average value of the elements in the array
6 meses hace
Pregunta
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...
11 meses hace | 1 respuesta | 0
1
respuestaPregunta
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...
alrededor de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
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...
alrededor de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
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...
más de 1 año hace | 0 respuestas | 0
0
respuestasPregunta
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...
alrededor de 2 años hace | 0 respuestas | 0
0
respuestasPregunta
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 ...
más de 2 años hace | 1 respuesta | 0
1
respuestaResuelto
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...
más de 2 años hace
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