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Awarded to MSP on 30 Jul 2017
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Feeds
Question
Roi to a 1D array in matlab
How do i select a ROI using mouse in an image (imagesc plot) and get the content of the roi in a 1d vector? I needed help on tha...
mer än 4 år ago | 0 answers | 0
0
answersQuestion
Subplot according to Real size
Greeetings people, I am having an issue regarding plotting according to the real size.I am trying to explain according to this ...
mer än 5 år ago | 1 answer | 0
1
answerQuestion
How suppress Background noise?
Hello, I just recorded a voice signal and it has the background noise from ac,fan etc. The frequency spectrum of the noise and ...
mer än 6 år ago | 0 answers | 0
0
answersQuestion
Finding a 2d block with highest average inside a 2d window
Consider a matrix A(52,34) How to find out which 2d block size(3,3) has the highest average in it
mer än 6 år ago | 1 answer | 0
1
answerQuestion
Weird problem with MATLAB misbehaving..
This is the Linear regression function. My problem is when I am running one line using this function MATLAB2017a returns values ...
nästan 7 år ago | 1 answer | 0
1
answerQuestion
How to use imagesc and videowriter
Consider that we have multiple images to be shown by imagesc in a loop,How to convert this to a mp4 sequence
nästan 7 år ago | 0 answers | 0
0
answersQuestion
VIDEO WRITER and imagesc coding
hello guys I am running into problem to create this video sequence of the str images as mp4 file.L = 1×6 Image ar...
nästan 7 år ago | 0 answers | 0
0
answersQuestion
Assignment has more non-singleton rhs dimensions than non-singleton subscripts
I am getting this error while I am running a function, I am aware that a few instances like this might happen in the function. I...
nästan 7 år ago | 1 answer | 0
1
answerQuestion
Matrix manipulation and interpolation
<</matlabcentral/answers/uploaded_files/95304/matrix.PNG>> Hello here is my problem,Pls see the image for a simple understand...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
Making normxcorr2 function efficient
Hello the problem I'm facing is that for calculations with large matrix, the normxcorr2 takes much time.So is there be any way o...
ungefär 7 år ago | 0 answers | 0
0
answersQuestion
How to check whether a 2d matrix is gradually increasing in values in row direction.
Lets say u have a matrix A=[2 4 7;3 4 6;] So we can see the A(4)==3 in row 2 has increased from A(1)==2 progression, And ...
ungefär 7 år ago | 4 answers | 1
4
answersQuestion
Finding threshold of matrix
Suppose u have a matrix A with rand (i.e 0-1). Now a threshold(x) of A is to be determined so that 70% of values of the given ma...
ungefär 7 år ago | 1 answer | 0
1
answerFind X and Y using matlab
First you have to make a function like this in a certain directory function F=eqn(k) x=k(1); y=k(2); F...
ungefär 7 år ago | 0
Problem by creating Sub Matrices
clear all a=magic(5) shiftr=2 shiftc=1 k=1 rowsize=3 colsize=3 for i=1:shiftr:size(a,1) if i+r...
ungefär 7 år ago | 0
Question
C++ to 64-bit MEX
Any idea on converting C++ ie .cpp to mex64
mer än 7 år ago | 1 answer | 0
1
answerplease how can I Draw the graph of y = 2ex, -5 <= x <= 5
x=linspace(-5,5) y=2.*exp(x) plot(y,x)
mer än 7 år ago | 0
Calculating the Greatest Common Divisor for two positive integers (simple)
This is how u call the function.Calling getData and printData is useless. A= input('Enter x') B= input ('Enter y') [M...
mer än 7 år ago | 0
Question
How to do cubic spline smoothing of two 2D matrixes of equal size
Suppose we have two 2D matrix of the same size.How to do the cubic spline based smoothing
mer än 7 år ago | 1 answer | 0
1
answerI am very new to Matlab and was wondering how to graph the function y= (x-1)/(x+1)
Just include a . before division x= -5:5 y= (x - 1)./(x + 1) plot(x,y)
mer än 7 år ago | 1
| accepted
Extract rows according to the rows sum
clear all close all A = nchoosek(1:9,3) x=find(sum(A,2)==15) B=A(x,:)
mer än 7 år ago | 0
| accepted
Question
Indexing error.How out of bound elements in case of indexing error occurs can be replaced by zeros(or by interpolation)
Hey guys could u help me out to solve this indexing error.I want when indexing error occurs in this the out of bound elemnts sho...
mer än 7 år ago | 0 answers | 0
0
answersQuestion
Weird problem with fix.
Guys do you know why fix on matlab 2017a is behaving weirdly. Pls have a look on the attached pic.This is not photoshopped. <...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
CAN ANYONE POST THE CODE OF fillmissing.m (matlab 2017 function).TIA
Hey guys I am on MATLAB 2016a and really need fillmissing.m to ease up things.Can anybody post it here.TIA
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Suppose you have a 2d matrix M. And you have certain indexes where the data is not good.SO you want to fill those indexes by the nearest existing value.Can regionfill be used for this
M=magic(10) index=[7,8,,5,9,45,43,23,34] M(index)=nan Now how to fill up those Nan values such that it contai...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Suppose I have a matrix of size(3,3).This is up-scaled by 2 making it (6,6).So there would be a number of vacant values between each element of the initial (3,3) matrix.Then how do you fill up the 0 values in addmatrixR by bicubic/liner interpolation
prevR=magic(3) m=1; k1=1 addRmatrix= zeros(2*size(prevR,1),2*size(prevR,2)) for i=1:size(prevR...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
Changing dimensions of matrix
Say that we have two matrices.One is a 32*15 matrix and the other is 66*31 matrix.It is required to determine where this(32,15) ...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
How can I find all zeros in a 2d matrix and change those values by interpolating with the closest available values ?
For example, A=
mer än 7 år ago | 2 answers | 0
2
answersQuestion
how to extract 2d window from a 2d matrix
consider you have a 9/9 matrix 2d.It is required to extract 9 matrixes like the attachment How to do it by using loops as it...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how to integrate a graph
A function is given for a definite interval. Infact exact problem coding is not required.The solution must be general. # f(x)...
mer än 7 år ago | 1 answer | 0
1
answer
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