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Konstantinos


Imperial College London

2014 年からアクティブ

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

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質問


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...

8年以上 前 | 1 件の回答 | 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.

8年以上 前 | 0

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質問


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...

8年以上 前 | 2 件の回答 | 0

2

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質問


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 ...

8年以上 前 | 1 件の回答 | 0

1

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質問


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...

8年以上 前 | 2 件の回答 | 0

2

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質問


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, ...

8年以上 前 | 1 件の回答 | 0

1

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質問


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...

8年以上 前 | 1 件の回答 | 0

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質問


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...

8年以上 前 | 0 件の回答 | 0

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解決済み


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...

約10年 前

解決済み


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:...

約10年 前