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MathReallyWorks

122 total contributions since 2017

Hello there,
I love to explore what matlab can do. Stay tuned for some fascinating stuffs from my side.

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Scatter chart: How to adjust the transparency of marker?
Hello, Use this code: ax = axes; hold on; for i = 1:10 s = scatter(10*rand(1),10*rand(1),36,rand(1,3),'filled'); %T...

casi 4 años ago | 0

store variables with ascending names in array
Hello, Use this for creating as many variables as you want: for i=1:10 %I have taken 10 just for example and explanation...

casi 4 años ago | 0

| accepted

How do I plot all my points in the same figure?
Hello sarah, You are getting 80+ figures because you have used figure in your for loop. This instruction always op...

casi 4 años ago | 1

Brain MRI DataSet (BRATS 2015)
Use this website: <http://www.oasis-brains.org/ OASIS> *What is OASIS?* _The Open Access Series of Imaging Studies (OASIS)...

casi 4 años ago | 2

Transform Circular Image For OCR
Hello Duane, You don't need radius to align these texts. Read this paper: <http://cennser.org/IJCVSP/finalPaper/030101.pd...

casi 4 años ago | 2

Question

open a transparent png and a jpg background together on a single graphical window
Hello everyone, I have 2 images. One is a normal jpg image (i.e. Background) and another is a .png image with the transparenc...

casi 4 años ago | 1 answer | 1

1

compare two arrays of different length ( inequality)
Hello Elkhanssaa Marsali, Firstly, make the length of A and B equal by adding extra zeros to the array who is shorter. Aft...

casi 4 años ago | 2

extract object from image

casi 4 años ago | 1

Tracking Pedestrians from a Moving Car
Hello Pallavi, Do you have a reference video with no pedestrians in it? If yes, then it will be easy to find the size of p...

casi 4 años ago | 1

| accepted

Question

Save a figure as .bmp or .png WITHOUT background
Hello everyone, I have extracted this text from an image and removed all the extra parts apart from the text: <</matlabcen...

casi 4 años ago | 2 answers | 1

2

LCH to RGB conversion
Hello danielle dan, Have a look at this: <https://in.mathworks.com/matlabcentral/fileexchange/57138-lch-%253C-%253E-rgb-conve...

casi 4 años ago | 1

Solved

you just measured its surface area, that is the input.

casi 4 años ago

Solved

Box!
Given a box, find the volume of the cube. With each side = a.

casi 4 años ago

Solved

Calculate volume of box
Calculate the volume of box,hiven its sides

casi 4 años ago

Solved

Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

casi 4 años ago

How to connection bluetooth to matlab?
Hello donghyun kim, Type this in your command window and check whether all the required support packages are installed or not...

casi 4 años ago | 1

Hello isaiah, Use this: I=imread('Amplitude2.0.jpg'); imagesc(I); colormap(gray(256)); colorbar; Input image: ...

casi 4 años ago | 1

| accepted

How can i crop multiple images
Hello shru, Use this code for properly cropping the regions and saving them in a folder: grayImage = imread('shapes.png')...

casi 4 años ago | 2

| accepted

How to find regions of any image using active contour

casi 4 años ago | 1

| accepted

I have 2 "if" conditions and i need to apply it to multiple rows of data.
Hello Izza ismail, Your F is a variable. To get F same as D and T, your F should be an array of length 5. Hence you need to ...

casi 4 años ago | 1

| accepted

I want to know harmonic progression code
Hello, If you have starting term(a) and common difference(d) then make a series till some definite number as: a, a+d, a+2d...

casi 4 años ago | 1

I have a matrix and I am actually interested in obtaining a vector that will consist of the first column in each row that has values lower certain value.
Hello saint, Your question is not clear. Please edit it. By the description of your question I can guess that you want fir...

casi 4 años ago | 1

How to get back an original image from its smoothed form applied by Gaussian smoothing filters?
Hello Mahmudul, Read this blog, it is very well explained: <https://blogs.mathworks.com/steve/2007/08/13/image-deblurring-int...

casi 4 años ago | 1

How can i rotate an ellipse?
Hello, Use this: clc; xc=50; %xCenter yc=50; %yCenter a=25; %xRad b=100; %yRad m = 1000; x = zeros(m,1); y = zero...

casi 4 años ago | 2

| accepted

how can I delete some rows from 2-D array?
Hello Aniee, I tried this, it works as per your requirement. copy and paste this in command window: A=[ 0 2; 2 3; 0 5;...

casi 4 años ago | 1

how can i convert decimal to hex or another basis without use dec2hex ?
Hello Mohammad Imam Malik, I guess you are asking for the principle behind these conversions. Read this: Steps:(Decimal...

casi 4 años ago | 2

Save object's boundary as coordinate arrays.
Hello yaswanth, As you have not shared how you have traced object boundary, it is a bit difficult to answer you question effi...

casi 4 años ago | 1

How to create an RGB image?
Hello, As far as I know, there is no direct function to do this. But if you want you can create a user defined function to ra...

casi 4 años ago | 2