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Udit Gupta


Last seen: fast 4 Jahre vor |  Aktiv seit 2014

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

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Frage


'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...

etwa 8 Jahre vor | 1 Antwort | 1

1

Antwort

Gesendet


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

etwa 8 Jahre vor | 1 Download |

Frage


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...

etwa 8 Jahre vor | 11 Antworten | 6

11

Antworten

Beantwortet
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...

mehr als 8 Jahre vor | 0

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

fast 9 Jahre vor | 0

Beantwortet
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...

fast 9 Jahre vor | 0

Beantwortet
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...

fast 9 Jahre vor | 0

Gelöst


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...

fast 9 Jahre vor

Gelöst


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:...

fast 9 Jahre vor

Gesendet


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

fast 9 Jahre vor | 1 Download |

Beantwortet
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...

etwa 9 Jahre vor | 1

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

etwa 9 Jahre vor | 1

| akzeptiert

Frage


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...

etwa 9 Jahre vor | 1 Antwort | 0

1

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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)

mehr als 9 Jahre vor | 2

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Beantwortet
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...

mehr als 9 Jahre vor | 0

Beantwortet
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...

mehr als 9 Jahre vor | 0

| akzeptiert

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

mehr als 9 Jahre vor | 0

Beantwortet
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...

mehr als 9 Jahre vor | 0

Frage


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 ...

mehr als 9 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


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...

mehr als 9 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
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 ...

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

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Beantwortet
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...

fast 10 Jahre vor | 0

| akzeptiert

Frage


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...

fast 10 Jahre vor | 1 Antwort | 2

1

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Frage


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...

mehr als 10 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
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 ...

mehr als 10 Jahre vor | 2

Beantwortet
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;

mehr als 10 Jahre vor | 0

Beantwortet
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...

mehr als 10 Jahre vor | 0

Beantwortet
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...

mehr als 10 Jahre vor | 0

| akzeptiert

Beantwortet
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; ...

mehr als 10 Jahre vor | 1

| akzeptiert

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