# yuh zhang

Last seen: presque 2 ans il y a Actif depuis 2022

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New to solve partial differential equation set
Hello, I'm new to solve partial differential euqations, I have euqations as follows and boundary conditions, can someone ...

presque 2 ans il y a | 1 réponse | 0

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integrate the expression for "I"
Hello, So this is my formula, and I need to find the bottom integral(to integrate the expression for "I", and then I need a gr...

presque 2 ans il y a | 1 réponse | 0

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How to filter a sensor-measured signal to its theoretical form
Hello, I used sensors to measure EMG signals, and it looks like this: (the original data is attached) However, its theoreti...

environ 2 ans il y a | 1 réponse | 0

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How to extract signal segments from a long signal given each segment's start and end points
Hello, I have a about 10-min signal sequence from the sensor, it looks like this: And I have labeled many sequence in th...

environ 2 ans il y a | 2 réponses | 0

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combine vectors in different length in to one matrix
hello, I want to combine 100 row vectors in different lengths in to one big matrix, say: v1 = [1 2 3]; v2 = [1 2 3 4]; v3 = [1...

environ 2 ans il y a | 1 réponse | 0

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