Community Profile # Nikan Fakhari

Last seen: 10 days ago Active since 2020

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Question

Matrix index replance of non Nan value
Hi there, I have a matrix x = [5 6 7;8 9 10; 11 12 NaN] and another matrix with same as x, y = [1 4 7;2 5 8; 3 0 9]; an...

2 months ago | 1 answer | 0

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Question

Number of pixels while modifying freehand on a figure
Hi there, Is there a way so matlab contniously display the number of the pixels within ROI as Im modyfing the shape (shape of ...

3 months ago | 1 answer | 0

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Question

Add a user define property to freehand object
Hi there, I know that Freehand object does not have a rotatable property like drawrectangle. Can anyone tell me please how ca...

3 months ago | 1 answer | 0

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Question

Continuous rotation of freehand object on matlab figure
Hi there, I have displayed a ROI on the figure using freehand function and now I want the program to puase and wait for me to ...

3 months ago | 1 answer | 0

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Question

copy Freehand object from a figure and pate into another figure
Hi there, I have used the drawfreehand function in matlab using the command below to draw an roi in my figure and save it: z...

3 months ago | 2 answers | 0

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Question

Image registration and motion correction
Hi there, We have acquired an ultrasound sequence with approxamtely 1200 frames and due to the fact that there were lots of ha...

4 months ago | 1 answer | 0

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Question

Column multiplication of two 2D matrices.
Hi there, I have two quite large matrices with the following sizes: A = rand(94037,2240) B=rand(2240,2240) I would like to ...

9 months ago | 2 answers | 0

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Question

Multiplication of large matrices
Hi there, I have two matrices that are relarively lagre (each one is 94,340 X 2240) and I need to multiply them together. I un...

10 months ago | 2 answers | 0

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Question

Creating a non-square diagonal matrix
Hi there, I have a vector A that contains 2240 elements and I wanted to create a non-square diagonal matrix out if (B) tha...

10 months ago | 2 answers | 0

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Question

Extracting xy coordinate points from a matrix, based on a limit for x.
Hi there, I have a xy matrix as follows that contains x and y points. From xy matrix I would like to extract points that their...

1 year ago | 1 answer | 0