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Udit Gupta


Last seen: 4 years 前 |  自 2014 起处于活动状态

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

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提问


'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...

8 years 前 | 1 个回答 | 1

1

个回答

已提交


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

8 years 前 | 1 次下载 |

提问


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...

8 years 前 | 11 个回答 | 6

11

个回答

已回答
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...

8 years 前 | 0

| 已接受

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

9 years 前 | 0

已回答
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...

9 years 前 | 0

已回答
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...

9 years 前 | 0

已解决


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...

9 years 前

已解决


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:...

9 years 前

已提交


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

9 years 前 | 1 次下载 |

已回答
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...

9 years 前 | 1

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

9 years 前 | 1

| 已接受

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

已回答
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)

9 years 前 | 2

| 已接受

已回答
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...

9 years 前 | 0

已回答
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...

9 years 前 | 0

| 已接受

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

9 years 前 | 0

已回答
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...

9 years 前 | 0

提问


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 ...

9 years 前 | 2 个回答 | 0

2

个回答

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

已回答
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 ...

10 years 前 | 0

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

10 years 前 | 0

| 已接受

已回答
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...

10 years 前 | 0

| 已接受

提问


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...

10 years 前 | 1 个回答 | 2

1

个回答

提问


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...

10 years 前 | 1 个回答 | 0

1

个回答

已回答
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 ...

10 years 前 | 2

已回答
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;

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 0

| 已接受

已回答
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; ...

10 years 前 | 1

| 已接受

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