# lena kappa

Active since 2020

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Question

Read files in a folder with dates on them
Hi everyone, I have a folder with multiple.mat files that are named : Profile_YYYY_Mon for example Profile_1990_Jan.mat the mont...

1 year ago | 3 answers | 0

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Question

Find distance of two points inside a matrix
Hello everyone! So I have a meshgrid of x and y and an other matrix that gives me the z corresponding to the same indexes.I want...

1 year ago | 1 answer | 0

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Create random parallel black lines in a white box until tis filled
Hi everyone I am creating a white box and creating an initial black line that goes through the box and then i am trying to crea...

1 year ago | 1 answer | 0

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Get grayscale like image from 2D representation of 3D random plot
Hi everyone I have the next code that creates multiple 3D random walks from random points and gives images like these: and if...

2 years ago | 1 answer | 0

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Question

Multiple 3d random walks
Hi everyone I have the next code that creates a 3d random walk but i would like to have in the 3d space some random points(seeds...

2 years ago | 1 answer | 0

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Question

Print different name than that of the index in figure inside for loop
Hello everyone! I have the next piece of code that gives me a figure of my 4 txt files named e2, e32, e64, e100 for each and ev...

2 years ago | 1 answer | 0

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Question

How to print index number when ploting figures from functions
Hello everyone! I have written the next piece of code that calls a funtions and saves the 4 figures that are created from that ...

2 years ago | 0 answers | 0

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Question

Problem with cell array and mat2gray
Hi everyone i have written the next code that reads multiple images whose names start with specific numbers and then does some c...

2 years ago | 1 answer | 0

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Question

find certain numbers in txt file
Hi everyone i have a txt that looks like this : % Theta(AOI) 0.00 Phi(AOI) 0.00 DHR 0.7470 ScatteringPts 1.36 Shadowi...

2 years ago | 1 answer | 0

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Question

Problem while reading multiple images from a file
Hello everyone! I am trying to read some images from a file and have written this code: outLoopValues = [1.5, 2.0, 2.5] % What...

2 years ago | 1 answer | 0

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Question

Improfile of images in cell array in for loop
Hello everyone i want to take the profiles of some images i have stored in a cell array but i can't figure out how to do it Her...

2 years ago | 1 answer | 0

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Question

Plot cell data from for loop
Hi everyone I have the folllowing code which gives me a cell array y{m,ind} and i would like to plot in the same figure y{1,...

2 years ago | 1 answer | 0

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Question

Problem with for loop and polyfit
Hello everyone, i have this lines of code and i wonder how can i loop them in a for loop outLoop = [2] for r = 1 : length(out...

2 years ago | 1 answer | 0

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Question

Problem with sum in cell
Hi everyone i have a 5x2000x5 cell and i want to take the mean over it in the following way: when i take yf= (y{1,1000,1}+y{2,...

2 years ago | 1 answer | 0

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Question

How to find pores of line network?
Hello everyone!! The following code creates random lines from a set of random points. How can I find the pores? for Nlines=50...

2 years ago | 0 answers | 0

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Question

Error using horzcat in code trying to get rid of discontinuities
Hi everyone! When i run this code (it reads an image rotates it then gets 100 profiles of the same length from the image and ...

2 years ago | 1 answer | 0

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Question

Find discontinuities and lift up or pull down the part after the discontinuity
Hi everyone i have a singal with discontinuities.Does anyone know how can i find the discontinuities and at those points lift u...

2 years ago | 2 answers | 0

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Question

Line segments in a box created with random angles
Hi everyone! I hope everyone is doing well! I have the following problem: My goal is to create a bunch of random lines in a bo...

3 years ago | 1 answer | 0

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Question

Random line segments confined in a box
Hello everyone! Does anyone know : How can I create random line segments confined in a box ? Both of the edges of the line se...

3 years ago | 1 answer | 0

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Question

Change names of multiple pictures inside a file
Hi everyone, I have 25+ pics in a file named 1,2,3...up to lets say 25 and want to change their names to lets say cat1, cat2,......

3 years ago | 1 answer | 0

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Question

find and plot in a x-y graph the pixels allong the red line
hello everyone does anyone know how can i find and plot in a x-y graph the pixel values along the red line in the next pic?

3 years ago | 1 answer | 0

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Question

draw line in a picture
Hello guys does anyone know how can i draw a line in a picture. For example i want to draw a 45 degree red line in the next pic...

3 years ago | 2 answers | 0

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Question

find pixels of a line in picture
Hello everyone, i have a question maybe its really easy but i dont really know how to do it. How can i find the pixels in the p...

3 years ago | 1 answer | 0