dpb

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4,890 total contributions since 2012

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Answered
histogram with three sets of data
So what have you tried? Did you read the doc for bar and look at examples? XData=categorical({'Category A','Category B','Categ...

14 hours ago | 0

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getting info from a unique ID in a csv
Power of the MATLAB table comes fore... tElev=readtable('elevatorexample.csv'); FindFloor=2; % the f...

15 hours ago | 0

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why wont text scan read all rows?
MPG Cylinders displacement horsepower weight acceleration model year origin car name 18 8 307 130 3504 12 70 1 chevrolet chevel...

20 hours ago | 0

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matlab Fit the third polynominal
I'm guessing something on the lines of the following would be about the ticket... nProp=listdlg('ListString',{'Ultimate strengt...

20 hours ago | 0

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How to extract data from one column using the data from the two other columns
res=B(ismember(A,C));

1 day ago | 0

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Obtain seperate legend for each contour line
There's no way to make legend use the contour lines directly; there are not any object handles to them; and the legend is global...

2 days ago | 0

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Import a CSV file with no header separating numbers from symbols in a table
Gotta' give it a little help...but boy! that's ugleee! :( At least they did use quoted strings. opt=detectImportOptions('Miche...

3 days ago | 0

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How to add a newline after a certain number of characters
function strMultiLines=nCharLine(strtxt, n) fmt=[repmat('%c',1,n) '\n']; strMultiLines=sprintf(fmt,strtxt); end for inpu...

4 days ago | 0

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How to average over different length vectors without excessive for loops?
Use a cellarray to store the results of each trial instead of individual named variables; then means=cellfun(@mean,x);

4 days ago | 0

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how to find index of matrix
Try [row,col]=find (A(:,1)==9 && A(:,3)=5.125) You've got the column indices off -- If you really mean for it to be for A(:,2...

5 days ago | 0

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How can I count the number of times a specific year appears given an x amount of dates
tEQ=readtable('database.csv'); uYr=unique(year(tEQ.Date)); nEq=histc(year(tEQ.Date),uYr); tNEQ=table(uYr,nEq,'VariableNames',...

6 days ago | 0

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How to print some numeric value by using xlabel in subplot?
xlabel(num2str(NC,'NC=%.2f')) Dunno what "attack" above represents. If it's a char variable and wanted as part of the string, ...

7 days ago | 0

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Populating matrix with data from a table
Since have expanded somewhat, will add additional Answer to bring to forefront -- and illustrate couple other things... Above w...

7 days ago | 0

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draw and add labels for boxplot
boxplot([proposed_MSD.' manual_MSD.' other_MSD.'],'Labels',{'proposed','manual','other'})

8 days ago | 0

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Populating matrix with data from a table
WOWSERS!!! You've got something like 1500 variables!!!??? That's definitely hard to deal with by variable name no matter what ...

8 days ago | 0

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Creating M histograms from an NxM table on separate plots
... for k=1:width(headers) % k=width(headers) --> one value, the last column figure ...

9 days ago | 0

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varfun applied to timetable, how can i keep only 1 of several outputs?
Two ways I see: Write function that wraps polyfit and only returns the slope instead of using anonymous function. Presuming th...

10 days ago | 0

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How to get specific points for certain value from multiple excel files and insert them into the figure as legend?
With the added information, I'd do something more like Vtarget=35.4; [files, path] = uigetfile ('.xlsx', 'MultiSelect', 'on');...

10 days ago | 0

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How to fix/steady the position of a counter in plot title.
Use a fixed-width format string to build the string to display... title(num2str(t1(3)*1000,'Simulation time = %8.3f ms')) t1 h...

10 days ago | 0

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Bring some signals to the same start value and end value
Presuming it is to just stretch the shorter to the same time as the longest, something like: y1=randn(size(t1)); Y1=movmean(y1,...

11 days ago | 0

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How to get specific points for certain value from multiple excel files and insert them into the figure as legend?
t=array2table(data,'VariableNames',{'Time','P1','P2','V','S'}); Vtarget=35.4; ix=interp1(t.V,1:height(t),35.4,'nearest') ix =...

11 days ago | 0

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How to change cell colors in uitable
You didn't follow the instructions given at the linked-to Answer. The 'BackgroundColor' property applies to the whole table; yo...

11 days ago | 0

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How can I read multiple mat files and perform ttest2 function?
Arrange the name convention so they will sort in the desired sequence and can process by twos -- then d=dir(fullfile('directory...

11 days ago | 0

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Error using ==> asind Argument should be real.
Working as documented... ACOSD() Description Y = acosd(X) returns the inverse cosine (cos-1) of the elements of X in degree...

11 days ago | 1

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what is the easiest way to reduce the lines in the code below?
data=csvread('flowrate.csv'); % Solution 1: Eliminate unwanted column data(:,6)=[]; % Solution 2: Keep desired columns dat...

11 days ago | 1

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Answered
Plot specific columns in cell array
for i=1:numel(c28_20chs) hL(i)=plot(c28_20chs{i}(:,3),c28_20chs{i}(:,4)); if i==1, hold on; end if isempty(c28_20chs(i)...

12 days ago | 0

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Plot not displaying x axis correctly?
Show us code to prove it, but, from the symptom described you wrote something like: x=-7:7; y=yourfunction(x); plot(y) which...

12 days ago | 0

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or() in categorical variable
Because >> or(1,2) ans = logical 1 >> You're apparently looking for >> ismember(financial_status,[1,2]) ans = ...

12 days ago | 0

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Retrieving Data from User using data tables in Matlab?
gasesab.Gases=categorical(gasesab.Gases); % turn into categorical variable inGas=listdlg('ListString',gasesab.Gases, ... ...

13 days ago | 0

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Average vector of an array
https://www.mathworks.com/help/matlab/ref/mean.html Look at first example

13 days ago | 0