Saving a functiong graph inside a matrix

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Andrea Baleani
Andrea Baleani on 13 Oct 2021
Commented: Andrea Baleani on 13 Oct 2021
I am working on edge detection algorithms and i need to produce matrices which cointain graphs of various functions. They need to be in black-white format (no RGB three layer matrices).
For example if i use linspace and build up the graph of y=x^2 how do i save the plot in a non RGB matrix ?

Answers (1)

Dave B
Dave B on 13 Oct 2021
You can use im2gray to convert an RGB matrix to grayscale:
x = linspace(-5,5,100);
y = x.^2;

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