Answered
"Axis" function error
-3 < 0 despite abs(3) being greater -- as the error message says, the axis limits have to be in strictly ascending order numeric...

3 years ago | 1

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Answered
How to extract row data by searching in matrix.
x=45; y=105; % lookup values; use variables, don't bury magic numbers in executable code ixy=(Species(:,3)==x)&(Species(...

3 years ago | 1

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...

3 years ago | 1

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

3 years 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...

3 years ago | 1

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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 ...

3 years ago | 0

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

3 years ago | 0

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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 ...

3 years ago | 0

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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...

3 years 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 years ago | 0

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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 years ago | 1

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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 ...

3 years ago | 0

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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...

3 years ago | 0

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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....

3 years ago | 2

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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'...

3 years ago | 0

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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...

3 years 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=...

3 years 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...

3 years 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....

3 years ago | 0

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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...

3 years ago | 0

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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...

3 years 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...

3 years ago | 1

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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...

3 years 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 ...

3 years ago | 1

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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...

3 years 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].'...

3 years 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 ...

3 years ago | 0

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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(...

3 years 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_...

3 years 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...

3 years ago | 1