dpb
Last seen: Today
5,113 total contributions since 2012dpb's Badges
Publish your first comment or rating
Awarded to dpb on 09 Oct 2019
Accept 5 answers given by other contributors
Awarded to dpb on 10 Jan 2018
Contribute at least one answer each month for 36 consecutive months
Awarded to dpb on 20 Jul 2017
Answer 1 question that was unanswered for more than 30 days
Awarded to dpb on 20 Jul 2017
100 of your answers have been accepted
Awarded to dpb on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to dpb on 20 Jul 2017
Solve a problem for the first time
Awarded to dpb on 24 Jul 2013
How to create an average of 2 lines on a single graph
OK, I see...the data are collected on a up- and down-slope symmetric ramp.. Try something like-- top=readmatrix('top_sensor_da...
5 hours ago | 0
Histogram plot isn't shown properly.
Can't change the characteristics of the image; any linear scaling of the axis will only change the numerical values, not the sh...
10 hours ago | 0
| accepted
Averaging lots of columns at once and then combining them
"...I cannot figure out a way to take the average of each col[o]umn without manually inputing it. " Fs = 2048; ...
1 day ago | 0
| accepted
unique command and external Excel files
Well, there is a duplicate in the 2nd column... >> d=xlsread('x.xlsx','Sheet2'); >> arrayfun(@(i)numel(unique(d(:,i)))==numel(...
1 day ago | 0
| accepted
storing a 100x100 matrix from each iteration in a single new matrix
Two options -- either use a cell array each element of which is a 2D array or a 3D array in which each plane is one time step. ...
1 day ago | 0
| accepted
how to average seasonly?
This one is cute... :) Unfortunately, timetable won't accept a 2D array by row so have to do things directly... t=linspace(dat...
1 day ago | 0
loop for cell using variable as a the input
gtm_segmentations = [34 36]; % use double array, no point in cell array here corr_time_intervals = [20 22]; ...
2 days ago | 0
How is it possible to slice up a table into smaller ones if the data contains floating point numbers?
ix=find(diff(XYZ(:,1))<0); will locate the breakpoints where the X coordinate resets. Remember diff(x) contains one less point...
5 days ago | 1
| accepted
Plot segments of an array with NaN using a for loop
Rough outline to accomplish -- ix=find(isnan(A)); ix=ix(2:end); % find the NaN sections, ignore first for i=1:numel(ix)...
5 days ago | 0
| accepted
Convert Text into Date Format
>> datetime('196307','InputFormat','yyyyMM') ans = datetime 01-Jul-1963 >> or >> datetime([floor(196307/100) 196307...
6 days ago | 1
x-axis difference between two graphs
As suggested above, interp1 works just fine... red=readtable('red.txt');black=readtable('black.txt'); % read data plot(red.Va...
6 days ago | 0
finding cells with positive values in a cell array with empty cells, cells of positive integers, and cells of nans
>> idx=cellfun(@(c)any(c>0),co_burst); >> whos idx Name Size Bytes Class Attributes idx ...
6 days ago | 0
| accepted
Match timestamps from different data sets
See <matlab timetables> for the introduction to using timetables In particular for your particular Q? read the Topic on Resampl...
6 days ago | 0
How can I read text files and compile a joint XY Position history
Well, it does seem to "just work" -- almost. jsondecode doesn't know about the 2D array bit, but it did decode the JSON info bl...
7 days ago | 0
| accepted
While loop in if and for loop
for i = 2:N if Gyr_2(i,3) Output=RBK2(Input); elseif Gyr_2(i,1) || Gyr_2(i,2) || Ori_2(i,1) || Ori_2(i,2) Output...
7 days ago | 0
How to suppress opening of command window?
Use the -batch option See <matlabwindows> for all startup options (windows, there are other links for other OS)
7 days ago | 0
creating a coundown alarm everytime a function have been asked
function [] = alarm(varargin) % alarm -- display countdown left % Optional arguments % 'init' -- reset counter persisten...
7 days ago | 0
How to use Xlswrite command in actxserver and how to avoid script gets hanged due to hworkbook.close command?
". I just need to avoid xlswrite in my command" Indeed. You don't want to be running dueling ActiveX processors at the same ti...
7 days ago | 0
| accepted
Fill in missing data, unrecorded values, multiple columns
"am somewhat new to matlab and this is all I need help with..." In that case, you're doing well indeed! Congratulations!!! :)...
7 days ago | 0
How to code an equation with a variable that implies to all cell and save in same size of input array (using nested for loop)
data =xlsread('***'); minOverall=min(data,[],'all'); rngOverall=range(data,'all'); data=(data-minOverall)/rngOverall; Given ...
7 days ago | 0
How to return entire elements of a column of a matrix while that column includes maximum value of among all other elements of matrix
[~,ix]=max(max(A)); % return column of max of 2D array B=A(:,ix); % the resulting column Too bad there's...
8 days ago | 0
| accepted
Change file matlab workspace name as the folder name
" 'POWER.mat' , and the folder name is 'Results2021'" Well, it depends on whether you have already created the .mat file by hav...
8 days ago | 1
| accepted
Three variables (two independent) 3D plotting
M=1; N=2; flg=true; for B=-20:20; X=M+B;l T=[]; for L=-10:10; Y=N+X; r=B+Y+L^2; sca...
8 days ago | 0
| accepted
How can we convert struct file to txt file?
arrayfun(@(s) writematrix([s.S s.F],[s.ID '.txt']),structWheeze)
8 days ago | 0
| accepted
How can I link data from separate arrays?
Making harder than needs must be -- Thickness=[19.0;22.0;32.0]; Temp_data=cat(3l [0,-0.05;0.2,-0.13;0.4,0.25;0.6,0.64;0.8,0.56...
9 days ago | 1
| accepted
How to find corresponding frequencies after viewing amplitude in descending order?
[DescendAmp,idx] = sort(peak_ft,'descend'); disp([peak_fr(idx) peak_ft])
9 days ago | 0
plot discontinuous x axis
Divide the time vector by T(end) for each trace and then plot versus the normalized time [0 1] instead...
9 days ago | 0
How to Enclose a Figure Title in a Box?
hT=title('This is a title','EdgeColor','k');
9 days ago | 0
| accepted
Comparing date/time values in Matlab/ calling out date time values to use in code
Convert to a timetable and all kinds of tools are available; see <Overview Timetables> for all of the above kinds of operations
11 days ago | 0
| accepted
Creating a Histogram of Letter grades converted from number grades
One way that illustrates lookup table approach... GRADES=[0,60,69.9,73.9,76.9,79.9,83.9,86.9,89.9,94.9,95.9,100]; % letter grad...
12 days ago | 0
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)