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Andy


Con actividad desde 2013

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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...

casi 11 años hace | 0 respuestas | 0

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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....

alrededor de 11 años hace | 2 respuestas | 0

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respuestas

Pregunta


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...

alrededor de 11 años hace | 1 respuesta | 0

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respuesta

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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...

alrededor de 11 años hace | 2 respuestas | 0

2

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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...

alrededor de 11 años hace | 1 respuesta | 0

1

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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...

alrededor de 11 años hace | 2 respuestas | 0

2

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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 ...

alrededor de 11 años hace | 1 respuesta | 0

1

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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...

más de 11 años hace | 1 respuesta | 0

1

respuesta

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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...

más de 11 años hace | 1 respuesta | 0

1

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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...

más de 11 años hace | 2 respuestas | 1

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Respondida
Rotate 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...

más de 11 años hace | 1

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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...

más de 11 años hace | 2 respuestas | 0

2

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Respondida
Area plot style graph
Thank you that was just what i was after, all working now.

casi 12 años hace | 0

Pregunta


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...

casi 12 años hace | 2 respuestas | 0

2

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Respondida
Plot 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...

casi 12 años hace | 0

Pregunta


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 ...

casi 12 años hace | 4 respuestas | 0

4

respuestas