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Boni_Pl


Last seen: 3 years ago |  Active since 2016

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How to solve Ax=b where A is a rectangular matrix for higher order in matlab
How to solve Ax=b Where and b=

3 years ago | 1 answer | 1

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answer

Question


How to do PAT image reconstruction
Hello I have to reconstruct image by model based inversion for a circular medium in 2D system. I have witten the following code ...

4 years ago | 0 answers | 0

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answers

Question


How to write impulse response in frequency domain in matlab?
Hello how to write del(w-w0) in matlab? Please help

4 years ago | 0 answers | 0

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answers

Question


How to store values in a loop?
Hello for i1=1:size(sen,1) for j1=1:size(r2,2) dist_de_grid1(j1)=sqrt((sen(i1,1)-r2(1,j1)).^2+(sen(i1,2)-c2(1,j1)...

4 years ago | 1 answer | 0

1

answer

Question


How to do least square solutions
Hello Sir, I have an equation x=argmin (norm(A*xo-b))^2) How to take argmin for this equation. If A=[1 2;3 4] and initial value...

4 years ago | 0 answers | 0

0

answers

Question


How to convert a matrix to a vector
Hello , I have a square matrix let M=[1,2,4;6,5,7;8,3,9]. Now I have to convert it into a column vector as. c=[1;2;4;6;5;7;8;3;9...

4 years ago | 1 answer | 0

1

answer

Question


How to extrapolate data
Hello, I have coordinates of (x,y) . I have also the coordinates of the points where the values of (x,y) have to extrapolate. If...

4 years ago | 1 answer | 0

1

answer

Question


How to write integration equation in matlab
Hello sir I have attached here diffusion equation. How can I write the above equations in matlab using finite element method. ...

4 years ago | 0 answers | 0

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answers

Question


How to plot pixel value in mm range
Hello , I have attached here a mat file. How to plot this B1 that X axis as mm range. Please help.

4 years ago | 0 answers | 0

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answers

Question


How to create image from a matrix?
Hello, I have an matrix whose dimension is 101x4032 double. Now how can I see the image using imshow function? Please help me.

4 years ago | 2 answers | 0

2

answers

Question


How to find out coordinates of a value from a matrix?
Hello. I have a matrix c=[1 2; 3 4; 5 6; 7 8; 9 10]; % and a vector v=[0;0;5;0;5] Now, how to get 5...

4 years ago | 1 answer | 0

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answer

Question


How to find out the value of a matrix corresponding row and column?
Hello I have index of a matrix x=[1;2;3] & y=[1;1;2]. Now how to check what value in which index of the matrix.Suppose the matri...

4 years ago | 1 answer | 0

1

answer

Question


How to compare two vector with different dimension
Hello, I have two vectors x1 = [1;2;4;7;8]; y1 = [2;5;8;6;1]; which are coordinates of all zero and non zero values of a matr...

4 years ago | 1 answer | 0

1

answer

Question


linear interpolation without meshgrid
Hello I have to do linear interpolation. n=interp2(X,Y,V,x,y,'linear'). This function is not working. Because my X and Y coordi...

4 years ago | 1 answer | 0

1

answer

Question


How to find element index in a matrix
Hello sir kindly help me to find position of element '1' in matrix 'v'. i.e. (3,3).

4 years ago | 1 answer | 0

1

answer

Question


Check points inside n number of triangle in a square
Hello In a square geometry n number of triangles and coordinates of each vertices are given.If N no. of points are in the mediu...

5 years ago | 1 answer | 0

1

answer

Question


How to correct the error in specifycoefficient
My function is function c=ccoef(nodes,elements,~,~,~,~) N=1; nr=size(elements,2); c=zeros(N,nr); c(1,:)=1/3/(0.02+0.01*20)*...

5 years ago | 0 answers | 0

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answers

Question


How to fill a triangle in an circular mesh in pdeplot?
Hello sir I have an circular mesh. Inside the mesh I have another circle.Now how to fill the circle? In the circle there are 4...

5 years ago | 0 answers | 0

0

answers

Question


How to get image from a vector?
I have data for each element of an mesh where for inclusion element, value is 0.3 and for other element value is 0.02. How can I...

5 years ago | 0 answers | 0

0

answers

Question


How to convert a column vector into an image
Hello sir I have an vector of size (258x1). Now I want to convert it into a square matrix (101x101) i.e. in 2D image in matlab....

5 years ago | 1 answer | 0

1

answer

Question


How to update a matrix with the node number
Hello I have a circular geometry which is discretised by triangular elements. Now suppose the total number of triangle is 4 wit...

5 years ago | 0 answers | 0

0

answers

Question


How to check each element of a vector with each elements of another vector if dimension of both matrix are not equal
I have two vector A=[1;4;7] and B=[4;6;1;3;2;8;0] Now I want to check whether each elements of A are present or not in B. If ...

5 years ago | 1 answer | 0

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answer

Answered
clustering image, grayscale image
Please anyone upload a matlab code for kmeans clustering of an ultrasound image.

7 years ago | 0