MathReallyWorks

2017 年からアクティブ

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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年弱前 | 0

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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年弱前 | 0

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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年弱前 | 1

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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年弱前 | 2

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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年弱前 | 2

質問

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年弱前 | 1 件の回答 | 1

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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年弱前 | 2

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

7年弱前 | 1

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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年弱前 | 1

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質問

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年弱前 | 2 件の回答 | 1

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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年弱前 | 1

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

7年弱前

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

7年弱前

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

7年弱前

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

7年弱前

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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年弱前 | 1

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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年弱前 | 1

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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年弱前 | 2

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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年弱前 | 1

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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年弱前 | 1

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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年弱前 | 1

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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年弱前 | 1

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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年弱前 | 1

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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年弱前 | 3

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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年弱前 | 1

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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年弱前 | 2

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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年弱前 | 1

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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年弱前 | 2

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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年弱前 | 1

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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年弱前 | 1

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