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# Amit Chakraborty

Last seen: Today Con actividad desde 2021

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Plotting a 3D matrix with plot3
I have 3 Matrices . P = rand (2,2,3) ; % row=2, col =2, slice (z axis) =3 Q = rand (1,2); R = rand (1,2); I want to plot...

5 meses hace | 1 respuesta | 0

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Pregunta

Saving a 3D matrix in through FOR LOOP and plot this matrix with error bar with error bar
How can I save the each value for row,col and slice for the following output R, which will be a 3D matrix. Lastly, plot this 3D ...

5 meses hace | 1 respuesta | 0

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Pregunta

Plotting 2D image with different slices in Multiple Figures by means of Loop
For example I have a 3D image matrix but I want to plot it for some specific slices like following : For 5 slices I want to dra...

7 meses hace | 0 respuestas | 0

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Pregunta

Plotting Image intensity from Matrix
Greetings to all ! I have a 3D matrix which represnts a Sheep_Logan Phantom. Is there any way to plot the intensity ogf the imag...

7 meses hace | 1 respuesta | 0

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How to plot intensity profile of a 3D image
Greetings to all ! I have a 3D image matrix which is sheep logan phantom. And I want to plot the intensity profile of the alo...

7 meses hace | 1 respuesta | 0

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rotation3D
This function is a 3-Dimensional Rotation.This program performs the rotation of coordinates of an (x,y,z) figure by any angle.

8 meses hace | 2 descargas |

Pregunta

Calculating angle between 2 vectors
xx = rand (1,16); yy = rand (1,16); zz = rand (1,16); A = [xx yy zz]; % First Vector pp = rand (1,16); qq = rand (1,16)...

8 meses hace | 1 respuesta | 0

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Pregunta

3D plotting in MATLAB
I have 3 sensors wich are situated in X Y Z axes. From those sensors , I have a data which is a 3D matrix. The question is...

8 meses hace | 0 respuestas | 0

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Differentiation of a data inside a Cell array
I have cell array called "s". Inside it there is only one data matrix. I need to do differentiation ( derivative) of that data (...

8 meses hace | 1 respuesta | 0

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Pregunta

Manipulating Cell arrays element
Say I have a cell array called aa. Inside the cell I have 5 data elements [in reality it is huge matrix]. That 5 data element is...

8 meses hace | 1 respuesta | 0

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Pregunta

Time Vector in X axis Plotting
aa = {rand(482,5) , rand(493,5)}; t = linspace(0, 20,975 ); % Generating Time Vector Series Now how can I plot the cell data...

8 meses hace | 1 respuesta | 0

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Pregunta

Plotting of a cell array
For example, I have a data of 4 persons (Say ; a,b,c,d ) which are confined in a cell a array called M. Now I want to plot firs...

8 meses hace | 1 respuesta | 0

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Pregunta

Lets say , I have 2 matrix A and B . A = [1 0 1]; B = [ 2 5 6]; Consider that, for the first element of A ( which is 1) ...

9 meses hace | 1 respuesta | 0

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Pregunta

Problem of using "imagesc" function
When I execute the following code it runs perfectly and shows me the slices. for i = 1:64 figure(1); imagesc(imgaussf...

11 meses hace | 1 respuesta | 0

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Pregunta

Problems using parfor loop
% It would have been very helpful for if get some probable solution for the % following problem I am facing. Thanks in Advance....

11 meses hace | 1 respuesta | 0

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Pregunta

Appending Voxel Intensity with the Voxel Co-ordinates and Plotting ?
I have this two Data. img_64_chest.mat = Voxel Intensity. voxel_coords.mat = Voxel Co.ordinate [1st Col : X , 2nd Col: Y, 3r...

alrededor de 1 año hace | 2 respuestas | 0

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Pregunta

How to put voxel intensity value in the plotting
My question is that here we can see the three different co-ordinates but I want to show the voxel intensity value also w...

alrededor de 1 año hace | 0 respuestas | 0

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Symbolic Expression Error problem !
I have two codes. one is with the numeric value and another code with the sysmbolic value. But both of them are same logic. Any...

alrededor de 1 año hace | 1 respuesta | 0

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Pregunta

How to determine the 3D points if the ray intersects the the voxel that is perpendicular to Y axis?
Here the line AB is intersecting the voxel perpendicularly on the Y-axis. How can I determine all the three points (3D poins) x....

alrededor de 1 año hace | 1 respuesta | 0

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Pregunta

Error of the following code : "Array indices must be positive integers or logical values."
% I have attached the file for : "ind" ; "len"; "miu". % In the following code "line : freq(j)" I am having above mentioned e...

alrededor de 1 año hace | 2 respuestas | 0

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I am having the error with the following code which " THETA does not match the number of projections". I know that the main reas...

alrededor de 1 año hace | 0 respuestas | 0

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Repetitive value arising in for loop
This is small part of my code. I use a parfor loop here which is required for my project. There are 60 different types of...

alrededor de 1 año hace | 1 respuesta | 0

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Pregunta

Sparse Array with reshape
I have a similar type of problem Yesterday but that is with non-sparse matrix. I am very newly dealing with these sparse matrix ...

más de 1 año hace | 1 respuesta | 0

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Pregunta

Multiplication between elements of two different cells
F= num2cell(rand(360,4^3),2); T= num2cell(rand(10,4^3),2); RR = F{1:36}.*T{1}; EE = F{37:73}.*T{2}; Error :: Error us...

más de 1 año hace | 1 respuesta | 0

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Pregunta

Splitting matrix and create new matrix
Hello All. I have a Matrx. A = rand (30,64^3); And I need to split that large matrix A in row by row. It means that : B1= A...

más de 1 año hace | 2 respuestas | 0

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Two Matrices and Tensor Product
I have a Matrix. Lets say it is A . Size of A is : 1116* 16; and another Matrix B: Size is ::: 31*16; My matrix multiplicat...

más de 1 año hace | 1 respuesta | 0

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Requested 196608x4096 (12.0GB) array exceeds maximum array size preference. Creation of arrays greater than this limit may take a long time and cause MATLAB to unresponsive
I have two matrices. Matrix A : size is 196608x4096 sparse double Matrix B: size is [ 16 16 16 ] double I was trying to ...

más de 1 año hace | 0 respuestas | 0

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Respondida
Multiplication of sparse matrix and a normal matrix
@Walter Roberson , @David Goodmanson Thank you Both. I have learnt a new thing from you guys.

más de 1 año hace | 0

Pregunta

Multiplication of sparse matrix and a normal matrix
I have a Sparse Matrix : S The size of S is : 196608x4096 sparse double and the normal (Non Sparse) matrix : D The size of ...

más de 1 año hace | 3 respuestas | 0

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Showing me wrong Matrix Size.
fds = fileDatastore(" " ); N= cell2mat(fds.Files); kk= ones(64,1); OO= N.*kk; I have created a Data store with a matlab ...

más de 1 año hace | 2 respuestas | 0

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