Esteban

Johns Hopkins University

Active since 2012

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Dividing small number by a large number?
Hi, I'm running a while loop within which I'm dividing integers (e.g 20, 40, 80) by 1e6 , but I keep getting '0' as my answer fo...

12 years ago | 1 answer | 0

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answer

Question

Option to generating isosurface?
Hi, I have three 56x56 matrices X1, X2, X3 and a 56x56x56 'data' matrix (containing values between 0 and 1) attached to each of ...

12 years ago | 0 answers | 0

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Need an equivalent of isosurface for all values under a certain threshold
Hi, I have a large 3D matrix and I want to make a plot equivalent to an iso-surface but for values under a specific threshold an...

12 years ago | 0 answers | 0

0

answers

Question

Finding the second derivative of noiseless data curve?
Hi, I have a data curve out of which I need to find the derivative of its slope. I understand I can use polyfit to come up w...

12 years ago | 1 answer | 0

1

answer

Answered
Reshaping a square matrix to a vector
Woops, my fault... yes I meant: [1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 16]' I tried it and it works. Thanks for your he...

12 years ago | 0

Question

Reshaping a square matrix to a vector
Hi, I need to convert a 10 by 10 matrix into a 100 by 1 matrix by concatenating each column to the bottom of the preceding one...

12 years ago | 2 answers | 0

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answers