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Gregor Lees


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Question


Fitting specific equation to data
Hi, I have a set of x and y values gathered from an experiment. I am to fit an underlying equation to this data and I am looki...

8 years ago | 0 answers | 0

0

answers

Question


Differentiation along horizontal?
I just wanted to check if this is a way of computing the difference between element along each element in adjacent columns in a ...

9 years ago | 2 answers | 0

2

answers

Question


Inverse/opposite of diff function?
I have a 480x640 matrix and would like to perform the diff function on the elements but instead of subtracting the previous elem...

10 years ago | 2 answers | 0

2

answers

Question


How to perform partial differentiation of a 480x640 matrix?
I have a matrix with 480 rows and 640 columns. The matrix just contains numbers. How do I perform partial differentiation with r...

10 years ago | 1 answer | 0

1

answer

Question


How to plot axis with origin (0,0,0) on 3D plot
I am using 3 matrices to form a 3D plot. I am using the plot function >> line(S10,S20,S30, Axes=(0,0,0) 'linestyle', 'none',...

10 years ago | 1 answer | 1

1

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Question


Reducing a matrix size by averaging blocks within the matrix.
I have a 1024x1280 matrix. I want to reduce this to a smaller matrix of 512x640 by taking an average of 2x2 blocks and making th...

10 years ago | 3 answers | 1

3

answers