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Udit Gupta


Last seen: presque 5 ans il y a Actif depuis 2014

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Professional Interests: Signal Processing, Eclectro-acoustics, Machine Learning, Music Information Retrieval

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Question


'subsindex' error when setting figure position. What is going on?
I am trying to resize a figure as shown H = figure; set(H,'Position',[200 200 800 200]) I get the error Function...

plus de 9 ans il y a | 1 réponse | 1

1

réponse

A soumis


saveaspub(h, name, format)
Save Matlab plots and figures for publication as pdf or eps vector formats.

plus de 9 ans il y a | 1 téléchargement |

0.0 / 5

Question


Why is there a permission error when repeat writing to excel file?
I am writing results of multiple analyses to different sheets of the same excel file using "writetable" command. The first inst...

plus de 9 ans il y a | 11 réponses | 6

11

réponses

Réponse apportée
Text in a figure: Increasing Font Size
You can either include the option 'manual' in your *clabel* call and use your mouse to place the labels; or you can use the 'Lab...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
Help with data extraction script
Try using the *readtable* function. This imports tabular data into matlab. Alternatively you can use the "Import Data" button...

environ 10 ans il y a | 0

Réponse apportée
How to design a bandpass filter
The easiest way is to use the Filter Design and Analysis Tool. Just type |fdatool| in matlab command window. This needs Signal P...

environ 10 ans il y a | 0

Réponse apportée
Merging two tables based on time interval
You can use t = interp1(sample_time,tableB.Time,'nearest'); if abs(sample_time-t <= 40/(24*60)) <Update medicat...

environ 10 ans il y a | 0

A résolu


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

environ 10 ans il y a

A résolu


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

environ 10 ans il y a

A soumis


Publish Latex Equation
Output a latex formatted string as an image in while publishing

environ 10 ans il y a | 1 téléchargement |

0.0 / 5

Réponse apportée
how to calculate the probability under a pdf curve and divide it into different sections (areas)?
Assuming you have the curves as a matlab vector, you can use the *trapz* function to find area under it. See http://www.mathw...

environ 10 ans il y a | 1

Réponse apportée
weighted average w/ matlab
You can do something like - weight=normpdf(range,centerPoint,spread); wAvg = sum(Y(range).*weight)/sum(weight); In you...

plus de 10 ans il y a | 1

| A accepté

Question


Is there a way to convert function handles to nan equivalent function handles?
I am passing a cell array of function handles to my function. Typically a user might pass something like- {@sum,@median,@mea...

plus de 10 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
How to find t test of two independent samples in MatLab?
Use the function *ttest2* from matlab statistics toolbox. (http://www.mathworks.com/help/stats/ttest2.html)

plus de 10 ans il y a | 2

| A accepté

Réponse apportée
Anyone know the error checking for special characters
You can use regular expressions. The code will go something like this - if any(regexp(str,'[^_a-zA-Z0-9]+')) <error c...

plus de 10 ans il y a | 0

Réponse apportée
Save PDF for Latex problems in resolution
I do the following operations before saving my figures for latex set(gcf,'Units','Inches'); pos = get(gcf,'Position'); s...

plus de 10 ans il y a | 0

| A accepté

Réponse apportée
sprintf with leading minus sign
use sprintf('%6.2f',abs(x))

plus de 10 ans il y a | 0

Réponse apportée
How to do a t-test with repeated measurements from 3 different devices?
You can do it in three steps. H1=ttest(X(1:30),12); H2=ttest(X(31,60),12); H3=ttest(X(61,100),12); If you wa...

plus de 10 ans il y a | 0

Question


How to make the legend selective?
I have a bunch of algorithms I am testing for statistical significance. I wrote a script to generate and save plots which I can ...

plus de 10 ans il y a | 2 réponses | 0

2

réponses

Question


Wrong color showed by "imagesc" function, what am I doing wrong?
Hi I have a 3x3 matrix of p-values and I want to display it using a colored grid. I am using the "imagesc" function with a "Copp...

presque 11 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Prediction based on previous historical data
You can use mtlabs Curve Fitting tool (cftool). If you don't have that search for any linear regression or linear interpolation ...

presque 11 ans il y a | 0

Réponse apportée
Batch process text files
You can use - fileName = [input_directory filelabels(i).name]; That should solve the issue.

presque 11 ans il y a | 0

| A accepté

Réponse apportée
how to generate random points in a line
For each line (edge) of the polyhedron you can write it's equation as (y - y1) = (y1 - y2)(x - x1)/(x1 - x2) So in case...

presque 11 ans il y a | 0

| A accepté

Question


How to check if a figure is closed using the big red 'X' mark?
Hi! I am using a gui in my application. There are 'Ok' and 'Cancel' buttons there which upon clicking close the figure and do so...

presque 11 ans il y a | 1 réponse | 2

1

réponse

Question


Is there a tool/method to determine the versions of Matlab my code is compatible with.
Hi! I sometimes have to distribute Matlab code to my students. I work with a university site license, so I usually have the late...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
creating a data array from a matrix
This is simple if you use matlab lower triangle functions. See the example code below please. A = magic(39) % Your Martix ...

plus de 11 ans il y a | 2

Réponse apportée
Cell contents assignment to a non-cell array object.
Instead of x=input('Dame el valor x0 inicial'); x{1}=x; use temp=input('Dame el valor x0 inicial'); x{1}=temp;

plus de 11 ans il y a | 0

Réponse apportée
Replacing the column of array elements with NaN.
This should do the trick - |index1 = A(:,1)<x(1,1) | A(:,1)>x(1,2);| |index2 = A(:,1)<x(2,1) | A(:,1)>x(2,2);| |A(index...

plus de 11 ans il y a | 0

Réponse apportée
where did tstool go?
This is from the documentation "tstool will be removed in a future release. To create a time series object, use timeseries...

plus de 11 ans il y a | 0

| A accepté

Réponse apportée
Extend a vector by extending its elements
If your vector is X. reshape(repmat(X,d,1),1,[]) should do the trick. Example - >> X = [1 2 3 4]; >> d=4; ...

plus de 11 ans il y a | 1

| A accepté

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