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# Inês Rodrigues

6 total contributions since 2015

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Question

How to calculate r-squared in exponential fitting?
Hello. So I'm trying to find the r-squared in an exponencial fitting. Having x and y, I did first: Y = log(y); X = x; s_X = ...

6 months ago | 0 answers | 0

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Question

how to set a limit in each color in a color bar?
Hi! So I want a color bar with only three colors (no gradient). I did: A = [1; 2; 3; 4]; B = [10; 20; 30; 40]; C = [5; 10;...

7 months ago | 1 answer | 0

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Question

How to give diferent colours to diferent values in a matrix?
Hi! I have a 3d matrix of 0's and 1's. I would like to plot it with scatter3 with 0's showing up black and 1's showing up white....

1 year ago | 1 answer | 0

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Question

How can I open a 3D .img file?
I've already tried using analyze75: info = analyze75info('track_weighted_file.hdr'); X = analyse75read(info) and fopen/fr...

1 year ago | 0 answers | 0

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Question

3D Normal Probability Density Function
I need to use the function mvnpdf and the variables are X, MU and SIGMA. But in an example that I saw I have: Sigma = [1 .1; .1...

2 years ago | 0 answers | 0