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**Content Feed**

Increasing Edge Lines in a Surface Plot

sf = fit([x,u],z,'poly15','normalize','on'); xpts = linspace(min(x),max(x),100); upts = linspace(min(u),max(u),100); [xx, uu]...

circa 16 ore ago | 0

Question

Is there a good reason for choosing assert() over an if condition with an error?

I want to make sure a condition is valid, so I write a quick test for it with a boolean output. Does it matter whether I put the...

24 giorni ago | 1 answer | 1

### 1

answerHow to plot a .txt file when the data is in blocks and each data is separated by space

Wow, that is an inconvenient format. One option is to use the data import tool--right-click on the text file in matlab and "imp...

circa un mese ago | 0

| accepted

How to append an image to a plot curve

You should be able to use a tiled layout. circuit = imread(which('RC_Charge_Circuit_Voltage.png')); figure tiledlayout(2,1)...

circa un mese ago | 1

| accepted

Add row numbers to side of table in MATLAB

rownums = 1:size(T,1); T.Properties.RowNames = string(rownums);

circa un mese ago | 1

Matching multiple file names

You'll have to fill in some of the blanks because I don't know how you're opening files, but to find the corresponding filenames...

circa un mese ago | 0

| accepted

Quaternions with symbolic elements

The error says it all. It looks like symbolic variables aren't supported for quaternions. You might try a third-party toolbox: ...

4 mesi ago | 0

| accepted

Why am I getting an error 'Execution of script cosamp as a function is not supported'

Using the function provided by @Elghandouri Mohammed and the original script, the error I get is: Error using _*_ Incorrect d...

4 mesi ago | 0

Meshgrid or other structure?

Axis_A = (-96:8:96)/2; mgrid = Axis_A+Axis_A'; would give you that matrix. As would [x,y] = meshgrid(Axis_A); mgrid = x+y;

4 mesi ago | 0

How do I convert tall array duration time vector to HH:mm:ss for merging with tall array datetime vector ?

dates = tall(repmat(datetime(date),3,1)) times = tall(repmat(duration(15,12,1,345,'Format','hh:mm:ss.SSS'),3,1)) times.Format ...

4 mesi ago | 0

| accepted

why the plot doesn't work ,in the code i'm finding the estimation value of the phase using montecarlo simulation

since length(SNR) is 1, you are running one loop iteration and generating one point. plot() doesn't show one point unless you sp...

4 mesi ago | 0

Graphical Draw Path Segments

Perhaps a "bezier toolbox" with an interactive mode would be useful: https://www.mathworks.com/matlabcentral/fileexchange/69302...

5 mesi ago | 0

| accepted

How to produce results of script in table

Your variables are all updated in place, overwriting the previous state. You could make an array out of each variable, and upda...

5 mesi ago | 0

| accepted

Imresize3 not resizing in z direction?

The second method should work. Are you sure you used imresize3() and not imresize() for that? For the first method, input all t...

5 mesi ago | 0

| accepted

Differential Operator in Matlab in 1 Dimension

I'm not a math major so there's probably something technically wrong about this statement, but "d/dx" is essentially "dy/dx", re...

6 mesi ago | 1

Find the number of red marks in box plot

One method, which may not necessarily correlate to a boxplot in all situations (but probably works for the default boxplot), is ...

6 mesi ago | 0

| accepted

geting matlab installer to start on linux

From a comment deep in the thread (here), and from reading your symptoms, what typically works with this version of Ubuntu is: ...

6 mesi ago | 2

| accepted

Converting datenums to get time durations

I don't see where WaveHeight is declared, but you can calculate a duration by subtracting datetimes. ThreshDate = datetime('now...

6 mesi ago | 0

How can I identify the amplitude peaks from an FFT?

You can use findpeaks, probably with some additional parameters. For instance, if the plotted signal is P: Z = findpeaks(P,'Min...

6 mesi ago | 0

| accepted

IF Statement Help?

This statement would flow like this, for a 30-degree angle (in pseudocode): if CurrentPosition < 45 % True, so... wri...

6 mesi ago | 0

Help with a tiny project ( building a graph)

If I understand correctly, you only wish to plot I as a function of x. I have modified your function slightly (at the end of t...

6 mesi ago | 1

| accepted

Question

Why are alternative forms for "dbstop in file at location if expression" not documented?

This question is prompted by another question here. It was fairly easy to guess that dbstop('file','10') would set a breakpoi...

6 mesi ago | 1 answer | 1

### 1

answerUse variables in dbstop

dbstop(file,num2str(line)) Usually, functions that have input forms like dbstop has can also be called like a normal function...

6 mesi ago | 1

| accepted

A better way to do antidiagonal matrix vectorization?

I believe this works for tall arrays and square arrays. I haven't yet figured out how to compensate if N>M. It's not as fast as...

7 mesi ago | 1

A question about the efficiency of matrix multiplication in MATLAB.

Matlab was built to do matrix math first, with the highly optimized LAPACK library at its heart. That's what it's using for case...

7 mesi ago | 0

How can I average same-calendar-month returns over the prior 20-year period?

This is a complex question. I would answer your questions with a cell array of tables, and a whole lot of untested (because I d...

7 mesi ago | 0

| accepted

How do i write a line to display all the values that didn't meet the requirement

SigmaAp = 5; SigmaAx = randi(9,5,1) idxs = find(SigmaAx>SigmaAp) disp('Values over the limit:');disp(SigmaAx(idxs))

7 mesi ago | 0

| accepted

How to read GSI (text) file?

A = readlines('Example_of_GSI.txt'); parsed = split(A).strip('*'); Does that break it down enough for you to work with?

7 mesi ago | 0

| accepted

I need to find a pattern in a column

A = readmatrix('test.xlsx'); count = 0; for idx = 1:numel(A)-34 if sum(A(idx:idx+34)) == 0 count = count+1; ...

7 mesi ago | 0

| accepted

Livescript results in incorrect Math output

The commented-out line is: lambda_j + 2*rp*max(subs(g1,[x1;x2],x), -lambda_j/(2*rp)) lambda_j is 1. The second term (which use...

7 mesi ago | 0