dpb

Last seen: Today | Active since 2012

Statistics

All

Content Feed

Answered
I would like to plot few values of a vector based on threshold setting from another vector.
It works; you just can't see the single point that is left because the single point on a default line width without a marker jus...

1 hour ago | 1

Answered
How to filter table rows according different conditions?
NHATS_table = readtable(file_name,"VariableNamingRule","preserve"); NHATS_table.Object=categorical(NHATS_table.Object); % c...

5 hours ago | 1

Answered
How do I create x-axis in boxplot?
You've got the orientation of the array backwards to use boxplot effectively; it thinks columns are variables and rows observati...

1 day ago | 1

| accepted

Answered
Error using fgets Invalid file identifier. Use fopen to generate a valid file identifier. Error in fgetl (line 34) [tline,lt] = fgets(fid);
Indeed, just downloaded and unzipped into a clean subdirectory -- it isn't the failure to open ID.dat that you're seeing, it is ...

1 day ago | 0

Answered
extracting nonpivot columns from a matrix
function npc = nonpivotcols(A) [~,p]=rref(A); A(:,pcols)=[]; npc=A; end or function npc = nonpivotcols(A) [~,...

2 days ago | 0

| accepted

Answered
Check if number of changes from negative to positive on data table and perform set of conditional tests
A=[-5.67 0.999 -5.66 0.994 -5.55 1.024 -5.38 1.049 -5.19 1.065 -4.42 1.175 -3.00 ...

2 days ago | 0

Answered
How to create a log_file.txt that stores my outputs and variables?
Use fid=fopen(fillfile('LogFileBaseLocation','LogFileName.txt','a+'); to open the file for append, read/write access. See fop...

2 days ago | 0

Answered
I cant seem to figure out how to plot my final answer theta-x axis and A,B,C in the y direction. all in 3 separate plots.
E1=40*10^3; E2=8*10^3; v12=0.25; G12=4*10^3; IsotropicComplianceStiffness(E1,E2,v12,G12); function [S,Q]= IsotropicCompli...

3 days ago | 0

| accepted

Answered
How do I make a probability plot of ranges of values below a certain threshold?
The Q? asked is ... t_delta = max(durations); % strange variable name??? n=histc(durations,1:t_delta); % counts by bi...

3 days ago | 0

Answered
X axis tick labels
The x-axis is not numeric but a @doc:datetime Hmm...I thought they had made that a visible property (bells ringing, @Adam Danz ...

4 days ago | 0

| accepted

Answered
Error using horzcat Dimensions of arrays being concatenated are not consistent.
In the code section where you combine OBP_i and OBP OBP_i=0; OBP_b = cumsum([OBP_i OBP']); when you only consider a single co...

4 days ago | 0

| accepted

Answered
readstruct/writestruct changes boolean value true to "true"
Should be able to test this out on local machine... >> s.M1.Normal.enabled=true; % trial struct with logical variable >> s....

5 days ago | 1

| accepted

Answered
Weighted mean by groups
It's the wmean function definition that's doing it -- what you intended was wmean = @(w,v)mean(w.*v); trying that, id = { 'a'...

5 days ago | 0

| accepted

Answered
Error about preallocating for speed
a = []; y = 1; for T = 25:5:1000 D = 0.0062*exp(-80000/(8.31*T)); x(y) = 1/T; %error here a(y) = D; %error here...

5 days ago | 0

Answered
How can I add individual datapoints and connecting lines to grouped boxchart?
fn=websave('Data_example.xlsx','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1136410/Data_example.xlsx'); tD=...

6 days ago | 0

Answered
When converting a .txt file to a matrix/cell, MATLAB merges some of the columns together.
C = readcell ('filename.txt'); writematrix ('filename.txt'); C ([1:40], :) =[]; % Delete rows 1-40 from the produced matrix (t...

6 days ago | 0

Answered
Scatter plot with mean for multiple groups
fn=websave('MATLAB_exampledata.xlsx','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1136975/MATLAB_exampledata....

7 days ago | 0

| accepted

Answered
How to draw negative values on bar when it contains negative values
That's a little more tricky and the examples don't illustrate -- but it's not terribly difficult to fix; the problem is 'Vertica...

7 days ago | 0

| accepted

Answered
Stacked plot graphics, trying to color multiple lines on one y-axis.
OK, had just a few more minutes -- the real answer is that there's a 'LineProperties' handle under the stacked plot object handl...

7 days ago | 0

Answered
Drawing different coloured bar plots according to different conditions
Well, let's see if I parsed this correctly... data =[ 1 1 2 1 2 35 40 23 36 0 0 1...

8 days ago | 1

| accepted

Answered
how to avoid getting 0 overlap on the pie chart?
I've never tried a legend with a pie chart; I suppose it also probably works somehow... Well, the patch handle is two objects p...

8 days ago | 0

Answered
How to use dir function with customized number of folders
Go ahead and read all the files into the dir() stuct and then do the culling there... It's easy enough to parse those filename ...

8 days ago | 1

Answered
Duplicate elements in each row
Sure, if am reading the desired output correctly -- NB it appears your c variable is indexed incorrectly; it should be a logical...

8 days ago | 0

Answered
Why my results of regress function and fitlm function are different?
I don't see that...I'm guessing a different y vector, somehow, maybe??? x=[1 2 3 4 5 6 7 8 9 10].'; y=[4 5 2 7 2 8 10 2 1 5].'...

8 days ago | 0

Answered
Looping through object array, possible to get an iterator to index into the object array?
"The MATLAB way" would be to write isConditon=(EvaluateLogicalExpressionOverTheRange); myObjectArray(isCondition)=[]; or the ...

8 days ago | 0

| accepted

Answered
Color Scatter plot based on values in another column
You can't use such a grouping as is, create a grouping variable... edges=[0.5 1.5:0.5:3.5 inf]; g=discretize(Z); hSC=scatter(...

8 days ago | 0

Answered
How Timelines Unify in subplot
fn1=websave('compound_tide_1516_data_wl_3.mat','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1134780/compound_...

9 days ago | 0

Answered
Plot boxplot/boxchart outliers in different colors by goups
fn=websave('sub_table.mat','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1134300/sub_table.mat'); load(fn) i...

10 days ago | 1

Answered
Is it possible to create such a Visualization in Matlab?
With all the amenities, it'll take a fair amount of effort, although one could undoubtedly create a crude replication of the wal...

10 days ago | 0

| accepted

Answered
How can I read rows from a CSV outside of datalines using readtable
"Do I just have to run textscan or readtable again to read those two lines separately?" Yes, unfortunately readtable doesn't ha...

10 days ago | 0

| accepted

dpb

Statistics

MATLAB Answers

File Exchange

MATLAB Answers

MATLAB Answers

MATLAB Answers

MATLAB Answers

MATLAB Answers

Cody

Content Feed