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Awarded to Andy on 20 Jul 2017
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Question
Creating a simple perception algorithm
I am trying to do a simple perception model using Rosenblatt’s training algorithm. Z is my data set where column 1 is my x val...
8 years ago | 0 answers | 0
0
answersQuestion
Color curve/Tone curve for an image
If you open up an image editor such as Gimp or photoshop, in addition to the image histogram you can also view the colour curve....
8 years ago | 2 answers | 0
2
answersQuestion
How to divide a plot into different regions
I have a random set of points which I intend to plot in different colours depending on their region. I am struggling on what f...
8 years ago | 1 answer | 0
1
answerQuestion
Correctly sum image values
I have a standard rob image im = imread('myIm.jpg'); I want to access values within this image so that i can calculate t...
8 years ago | 2 answers | 0
2
answersQuestion
How to vectorise loop to improve performance
I have a loop which i am running through 20000 times, to find which class each element of my array is closest to, and also if th...
8 years ago | 1 answer | 0
1
answerQuestion
Textscan with multiple delimiters
I want to read a text file into a cell array so that i have each line of my file as a new row and each attribute in my file as a...
8 years ago | 2 answers | 0
2
answersQuestion
Read data file with strings and integers
I have a .txt file i want to read. Each line has a character and then integers delimited by commas. I want to read the file so ...
8 years ago | 1 answer | 0
1
answerQuestion
Logic issues for creating a random walk
I have a set of random points plotted. I want to create a random walk between all of these plotted points so they are all visit...
9 years ago | 1 answer | 0
1
answerQuestion
Derive a colour palette from an image
I have a question which asks to set the number of rows and columns (M and N) for the painting grid and resize an image to this r...
9 years ago | 1 answer | 0
1
answerQuestion
Displaying text correctly on buttons
I have a 10x10 grid of buttons and i want to set the text of each button to a random number between 1 and 100 which i have alrea...
9 years ago | 2 answers | 1
2
answersRotate co ordinates by a rotation matrix.
Hi Kye, You assumed correctly, i did want to use degrees my co ordinates are 1 by N. All is working great now, thank you for...
9 years ago | 1
Question
Rotate co ordinates by a rotation matrix.
I have a set of x and y co ordinates which make up a random shape. I want to be able to rotate the shape 360 degrees in an anima...
9 years ago | 2 answers | 0
2
answersArea plot style graph
Thank you that was just what i was after, all working now.
9 years ago | 0
Question
Area plot style graph
I am trying to recreate a graph. There is 3 layers and i want the values of each layer to oscillate between particular values. I...
9 years ago | 2 answers | 0
2
answersPlot points in a different colour depending on co ordinates
Thank you for the replies. I managed to work it out with a combination in the end. In the end i used a for loop, going through m...
9 years ago | 0
Question
Plot points in a different colour depending on co ordinates
I want to be able to plot my points in a scatter plot and if the points are within the co ordinates of two circles they will be ...
9 years ago | 4 answers | 0
