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# Ive J

Last seen: Today Active since 2013

Computational biologist.

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bfilereader: Efficient processing of big delimited files in MATLAB

How to get the sum of squares in GLM model summary ?
You can get SST, SSE and SSR: mdl = fitglm(rand(100, 2), randi([0 1], 100, 1), 'dist', 'binomial', 'link', 'logit'); mdl.SSE...

etwa ein Monat ago | 0

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Question

tall array within a parfor?
Consider the following scenario: ds = datastore(...); dst = tall(ds); parfor ... % warning here: dst is a broadca...

etwa ein Monat ago | 1 answer | 0

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Sort cell numbers ?
If by sort, you mean sort within each element of cell array: G = {[-83;-84] [-65] [-50;-47] [-33;-30] [-26;-22] [-16;-15] [-6; ...

etwa 2 Monate ago | 0

Using movmean to calculate mean of first and last element in array

etwa 2 Monate ago | 0

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exportgraphics dynamic file name
% A = {'name1', ...} for k = 1:16 %rest of the code c = colorbar; c.Label.String = A{k}; ...

etwa 2 Monate ago | 1

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stepwiseglm model seems to be missing parameters?
It does include both. You should mind the model formula in MATLAB (AKA Wilkinson Notation): x1*x2 is x1 + x2 + x1:x2. See also...

2 Monate ago | 0

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Create a double identity matrix matlab
Maybe not the best way, but works: % taken from doc kron n = 12; I = speye(n, n); E = sparse(2:n, 1:n-1, 1, n, n); K = fu...

2 Monate ago | 0

Vector dimesions are different before encoding json and after decoding json
How about this? mystr.f1 = 1:4; mystr.f2 = (1:4).'; js = jsonencode(mystr); newstr = jsondecode(js) fnames = fieldnames...

3 Monate ago | 0

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How do I match an annotations.json file with their respective images from an image folder?
Try this js = jsondecode(fileread("annotations.json.txt")) % file extension was changed only for upload % get info of first ...

3 Monate ago | 0

How to add to Matlab a path with a @Folder

3 Monate ago | 2

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Can MATLAB save the Profiler results table (Function Name, Calls, etc.) to a text file or a spreadsheet?
info = load("info.mat").info; infotab = struct2table(info.FunctionTable); infotabMain = infotab(:, ["FunctionName", "NumCalls"...

3 Monate ago | 0

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Estimate p-values of fitted parameters using armax from sysid toolbox
armax returns parameters and their uncertainties; then you can calculate the p-values. load iddata9 z9 na = 4; nc = 1; sys ...

3 Monate ago | 0

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Optimization of manipulating an array
a = [1, 0, 5, 0, 6, 0, 12, 0]; b = a; a_adj_mean = movmean(a(1:2:end), 2); zero_idx = a == 0; b(zero_idx(1:end - 1)) = a_a...

3 Monate ago | 0

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calculate the number of times each codon appears in a .mat file
Maybe this example would help: % create a random DNA seq dna_codes = ['A', 'T', 'G', 'C']; dna_str = string(dna_codes(randi(n...

3 Monate ago | 0

jsonecode doesn't support complex doubles
Here says: "JSON has no standard way to represent complex numbers, so there is no way to test for them in JSON Schema." Here a...

3 Monate ago | 0

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Increase width of x axis
You need to set gca and not gcf: set(gca, 'Position', ...)

3 Monate ago | 0

Combine hundred of mat files into one mat file (same quantity of row and column)
You can load all together: files = ["bearing1_1_1.mat", "bearing1_1_2.mat"]; % add all files here, use dir or ls ds = fileData...

3 Monate ago | 0

retrieve data from a website with multiple pages

3 Monate ago | 0

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Find the position of elements of an array in another array and measure the euclidean distance between two array elements.
X = [11 12 13 21 22 23]; A = [11 22 21 13 12 23]; B = [11 13 21 23 22 12]; [~, Q] = ismember(X, B) [~, P] = ismember(X, A)...

3 Monate ago | 0

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Create timeseries of a 3d scattered plot
If you want to create an animation (GIF for instance) or a movie (e.g. AVI), you can: % see: https://mathworks.com/matlabcentra...

4 Monate ago | 0

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How to execute for-loop iterations in parallel
You don't need even a loop (parfor aside) for this (and I guess you don't even need ind2sub depending on your true purpose here)...

4 Monate ago | 0

Fixed Effects Design Matrix Must be of full column rank with multiple categorical predictors
The error is self-explanatory, and the reason is full dummy variable scheme you're using (why?). See here https://mathworks.com/...

4 Monate ago | 0

Why does my graph get sent to the end of the html when I publish it?
I cannot reproduce this behavior.

4 Monate ago | 0

Why do I receive Vectors must be the same length error in this code?
Error is very obvious: y and t1 don't have the same length. Try this t1 = linspace(1, max(y), length(y)); plot(t1, y)

4 Monate ago | 0

Can I use my CPU and GPU simultaneously for Numerical Simulation?
Technically, yes you can (given that you've installed CUDA) combine both. However, whether or not you get anything useful out of...

4 Monate ago | 0

Make a 2D plot with one arbitrary axis
You can start with something like this bpoints = [6.88, 7.84]; color = summer(numel(bpoints) + 1); % or whatever colors you li...

4 Monate ago | 0

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How to compare two different excel sheets specific columns for like values

4 Monate ago | 0

How to extract a subset of a field from a structure while keeping respective information from the other fields?
field components doesn't have the same size as others. Maybe it's better if you provide part of your struct at least. Anyways, y...

4 Monate ago | 2

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