Konstantinos

Imperial College London

Actif depuis 2014

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PhD candidate with interest in Cardiac Electrophysiology and Digital Signal Processing.

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find indices in a large array and replace them with zeros
I have an index with 10 rows and 301 columns each. I also have a digital signal with 1 X 250,000 elements. The values of the ini...

plus de 9 ans il y a | 1 réponse | 0

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Warning: Integer operands are required for colon operator when used as index
Finally the problem was solved by converting the double values into integers using the int64 function.

presque 10 ans il y a | 0

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Question

Warning: Integer operands are required for colon operator when used as index
I have a signal with multiple "pks4" points and I want to select only those elements which are between the first pks4 points - p...

presque 10 ans il y a | 2 réponses | 0

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Question

Why I don't get any results from this code?
I run the following code: for ii = length(pks4) %repeat the following process as many times as the pks4 points are ...

presque 10 ans il y a | 1 réponse | 0

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Question

How can I read the elements of an array backwards?
I have an array with x = 250000 elements. I want the code to read backwards a part of it: k = pks3(1):-1:1; %read data po...

presque 10 ans il y a | 2 réponses | 0

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Question

First point smaller than threshold
I have written the following code in order to find the first point of an array which is smaller than a threshold and calculate, ...

presque 10 ans il y a | 1 réponse | 0

1

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Question

How to detect points on an electrogram based on voltage window?
I need to detect specific points on an electrogram based on a voltage window. These points will be on the boundaries of the wind...

presque 10 ans il y a | 1 réponse | 0

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Question

How to remove the artefacts of an electrogram signal?
I am getting electrogram recordings using a micro-electrode arrays system on cell cultures. When I analyse my electrograms on Ma...

presque 10 ans il y a | 1 réponse | 0

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A résolu

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

plus de 11 ans il y a

A résolu

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 11 ans il y a