Community Profile # Kim Arnold

Last seen: 1 month ago Active since 2020

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Question

find the maximum value in within a specific range?
Let's say I have a range of numbers within 50-61 (i.e. 50.36, 50.94, 51.45. 51.86, 51.93 etc.). Each of those numbers have an as...

1 month ago | 1 answer | 0

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Question

pca with more than one grouping variable
I want to do a pca plot of 20 samples I measured. For this I used gscatter. However, I want 1) to color my samples with 7 colo...

1 year ago | 1 answer | 0

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Question

find ID's of repeated values in array
Let's say I have 2 arrays, one longer t1 (1x15 double) and a shorter one t2(1x8 double) and I tried to find the indices of t1 in...

1 year ago | 2 answers | 0

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Question

Split matrix in 15 submatrices
I have a 22515x1122 Matrix and would like to split it into 15 Submatrices (in cells) of the size 1501 x 1122. So the row number...

2 years ago | 1 answer | 0

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Question

How to force matlab in a loop to always give you scientific/exponential notation?
I want to do a for loop to produce several plots with subplots. On y-axis I always have absolute Signal intensity. For some of t...

2 years ago | 1 answer | 0

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Question

Compute standard deviations for each element across several matrices
Hi everyone. I have a cell array A.M_org{1, 1} ; A.M_org{1,2} etc. with 5 cells in total. In each of the 5 cells I have ano...

2 years ago | 1 answer | 0

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Question

how to superscript in subtitle of a figure?
Hi everyone, I want to superscript my + in the Chemical formula I have in one of my figures such as this : CH5NO2+ by introd...

2 years ago | 1 answer | 0

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Question

How to compute the mean of several matrices in a cell?
I have 15 matrices (size of each matrix 17x5000) in a type of cell named M_one and size 1x15 {1,15] (matrix 1 would be M_onel{1,...

2 years ago | 2 answers | 0

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Question

How to select certain columns of a matrix only when the first two rows always show 1 and the other two rows a 0?
Hi everybody! I have a Matrix with 4 rows and 922 columns M(4,2300) containing ones and zeros as shown below 1 0 1 1 ... 1 0...

2 years ago | 1 answer | 0

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Question

How to select certain columns of a matrix only when the values in certain rows showing the the double of the value in a particular row of a column?
Hi everybody! I have a Matrix with 5 rows and 2300 columns M(5,2300). 0.2 0.3 0.4 2 ... 3 0.5 1.9 2.5 ... 2 0.7 0.2 3 ...

3 years ago | 3 answers | 0

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Question

how to extract n rows in a matrix column iteratively?
i have a matrix A(15,1) looking like this 0.4218 0.9157 0.7922 0.9595 0.6557 0.0357 0.8491 ...

3 years ago | 2 answers | 0

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Question

pca coeff,scores, explained for several matrices in a for loop
Hy everybody, I have the following issue: i want to get the coeff, scores and explained values for all my 17 submatrices using...

3 years ago | 0 answers | 0

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Question

How to select certain columns of a matrix only when the values in the 4th row are bigger than three values of the other four rows in that particular column?
Hi everybody. I have a Matrix with 5 rows and 27 columns M(5,27). -465016.671990511 -7739.99191635794 -341535.491595863 -8537...

3 years ago | 2 answers | 0

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Question

repeated measures anova for three dimensional matrix using several for loops
Dear all, im trying to run a ranova test on my samples I have in total 15 Samples/ Matrices with dimensions of 18x5038 each. t...

3 years ago | 0 answers | 0