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Askeladden2


Last seen: 14 dagar ago |  Active since 2019

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Identify the maximum values within fixed time intervals of a time series data set
Dear all fellow community members, I have a matrix of dimensions 20x74932, signifying 20 variables within a time series sampled...

10 månader ago | 3 answers | 0

3

answers

Question


Find peak values and locations in two matrices containing zeros
Dear All Community Members, I have two matrices, 'A' and 'B'. Matrix 'A' represents the time history of velocities, while matri...

10 månader ago | 1 answer | 0

1

answer

Question


Find peaks in a matrix containing zeros
Dear All Community Members, I have two matrices, 'A' and 'B'. Matrix 'A' represents the time history of velocities, while matri...

10 månader ago | 1 answer | 0

1

answer

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Computations in text files involving both numerical values and text
Hi All, I have a text-file involving both text and numerical values. I want to multiple some of the values in the text file wi...

mer än ett år ago | 1 answer | 0

1

answer

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Speed up plotting of multiple lines
Dear All Community members, I have a question concerning speeding up the function plot. I want to plot several (72835) lines i...

nästan 2 år ago | 1 answer | 0

1

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Several line plot (2D) with colormap (including labelling)
Dear All Community Members, I have about 300 lines that I want to be colored depending on a third value in one plot. I have c...

nästan 2 år ago | 1 answer | 0

1

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Identify duplicates in a matrix and keep the one with minimum value
Dear All Community members, I have a matrix, examplified as "A" below, where I need to identify the duplicates in the first and...

mer än 2 år ago | 2 answers | 0

2

answers

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Find max values within a defined range for each column and rows of a matrix
Hi! I have a 20x305471 matrix, representing 20 variables in a time series sampled at 28.28 Hz. I have also have a time vector (...

ungefär 3 år ago | 1 answer | 0

1

answer

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Logical Indexing instead of loops in 3D-Matrices
Dear All Community members, I have two 3D matrices, AB1/AB2=1250x441x451 and two arrays, C=1x5 and D=1x1250. Instead of runnin...

ungefär 4 år ago | 2 answers | 0

2

answers

Question


Vectorize a code involving multiple loops commands
Dear All Community members, I have created a code involving three loops and a while command. I want to vectorize the code becau...

mer än 4 år ago | 1 answer | 0

1

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create multiple submatrices from a large matrix
Dear All communtity members, I want to write a code that creates multiple submatrices from a large matrix either through a loop...

mer än 4 år ago | 2 answers | 0

2

answers

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How to reduce computation time in a code with multiple nested loops and if statements
Dear all Community members, I have written a code that involves multiple nested loops and several if statements which require ...

mer än 4 år ago | 1 answer | 0

1

answer

Question


Replace numbers in a matrix depending on if statements from arrays
Dear all Community members, I have a 5x5 matrix and two arrays (1x5 and 5x1) that contains only numerical values. I want to re...

mer än 4 år ago | 3 answers | 0

3

answers

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Replace numbers in a matrix depending on if statement
Dear all Community members, I have a 5x5 matrix that contains only numerical values. I want to remove values below a given thr...

mer än 4 år ago | 1 answer | 0

1

answer

Question


Extract maximum values from three different vectors when their associated location vectors crosses
Dear all, I have six vectors, three with peak values and three vectors with associated location values based on three peak anal...

ungefär 5 år ago | 1 answer | 0

1

answer

Answered
Extract maximum values from two different vectors when their associated location vectors crosses
If I wish to extend this problem to three variables (/sensors), E.g.: loc1=[10.4 15.8 29.2 32.1 35.9]; loc2=[10.1 15.2 35.6];...

ungefär 5 år ago | 0

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Extract maximum values from two different vectors when their associated location vectors crosses
Dear all, I have four vectors, two with peak values and two vectors with associated location values based on two peak analysis....

ungefär 5 år ago | 3 answers | 0

3

answers