MathReallyWorks

Active since 2017

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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...

7 years ago | 0

Answered
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...

7 years ago | 0

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Answered
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...

7 years ago | 1

Answered
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)...

7 years ago | 2

Answered
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...

7 years 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...

7 years ago | 1 answer | 1

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Answered
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...

7 years ago | 2

Answered
extract object from image
Hello Sara, Read Image Analyst's answer on a similar question: <https://in.mathworks.com/matlabcentral/answers/214494-removin...

7 years ago | 1

Answered
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...

7 years 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...

7 years ago | 2 answers | 1

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answers

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

7 years ago | 1

Solved

radius of a spherical planet
you just measured its surface area, that is the input.

7 years ago

Solved

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

7 years ago

Solved

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

7 years ago

Solved

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

7 years ago

Answered
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...

7 years ago | 1

Answered
How would I go about adding these scales to my figure?
Hello isaiah, Use this: I=imread('Amplitude2.0.jpg'); imagesc(I); colormap(gray(256)); colorbar; Input image: ...

7 years ago | 1

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Answered
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')...

7 years ago | 2

| accepted

Answered
How to find regions of any image using active contour
Hello Komal, Please make your code readable. And you forgot to attach your image as well. For detecting regions in an imag...

7 years ago | 1

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Answered
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 ...

7 years ago | 1

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Answered
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...

7 years ago | 1

Answered
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...

7 years ago | 1

Answered
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...

7 years ago | 1

Answered
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...

7 years ago | 3

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Answered
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;...

7 years ago | 1

Answered
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...

7 years ago | 2

Answered
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...

7 years ago | 1

Answered
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...

7 years ago | 2

Answered
How to move "datatip" to a desired location in matlab plots??
Hello Pankaj, Click on Data-Cursor and move it wherever you want on graphical window. It clearly shows attributes of that poi...

7 years ago | 1

| accepted

Answered
I am using a function and i want to update counter on each function call and use value of that counter for some condition.But every function call counter initialize to zero and if i use counter=counter+1 it always give counter =1 so how to do this?
Hello Amit, Keep your initialization on top of the code (i.e. outside of loop if any). Check if it is in any loop which i...

7 years ago | 1

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