Community Profile # Ive J

Last seen: 1日 前 2013 年からアクティブ

Computational biologist.

#### 統計

All
• • • • • • • バッジを表示

#### Content Feed

How to force enable GPU usage in fitrgp
fitrgp does not [yet] support GPU arrays. You can easily scroll down the doc page and check "Extended Capabilities" for each fun...

| 採用済み

Struggling to lay 2D points over a 3D scatter plot
what about hold on? hold on voc = [125, 45, 0; 140, 39, 0]; scatter3(voc(:, 1), voc(:, 2), voc(:, 3), "*") % or plot3

| 採用済み

how to count uncommented ligns in matlab file?
% doc readlines % lines = readlines("myfunc.m"); lines = [" % comment 1" "dummy = 1 + 3;" " " "%{" "th...

| 採用済み

Right measure for logistic regression of imbalance data and dealing with Complete Separation
It's probably a bit late for your original problem, but since it's an important question and MATLAB still lacks such important f...

12ヶ月 前 | 0

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...

| 採用済み

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

### 1

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; ...

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

| 採用済み

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

| 採用済み

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...

| 採用済み

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...

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...

| 採用済み

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 ...

How to add to Matlab a path with a @Folder

| 採用済み

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"...

| 採用済み

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 ...

| 採用済み

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...

| 採用済み

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...

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...

1年以上 前 | 0

| 採用済み

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

1年以上 前 | 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...

1年以上 前 | 0

retrieve data from a website with multiple pages

1年以上 前 | 0

| 採用済み

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)...

1年以上 前 | 0

| 採用済み

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...

1年以上 前 | 0

| 採用済み

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)...

1年以上 前 | 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/...

1年以上 前 | 0

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

1年以上 前 | 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)

1年以上 前 | 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...

1年以上 前 | 0