已回答
How to extract specific dates from a datetime table?
whos('-file', 'DATE1.mat') whos('-file', 'DATE2.mat') load('DATE1.mat') load('DATE2.mat') whos head(datet) head(B) found_...

1 year 前 | 2

| 已接受

已回答
How do I use xline() to plot values calculated in a for loop?
Your x is going to be symbolic based on the code you posted (you can verify this by using the whos in the Command Window or by l...

1 year 前 | 0

| 已接受

已回答
What is the previous syntax for this function?
The strcat function has been around for a long time. strcat("Hello", "World")

1 year 前 | 0

| 已接受

已回答
output of two function results
You need to provide two output variables when you call the function. Note that the names you use when you call the function don...

1 year 前 | 1

已回答
Why are values not rotated?
P = [1 2]*10^7; % made up data to test with S = [1 2; 2 3]; T = [0 70; 0 100]; plot(S(1,:),T(1,:), S(2,:), T(2,:...

1 year 前 | 0

| 已接受

已回答
Calculate the temperature distr
First of all, format your code (type Ctrl-A then Ctrl-I) in the Matlab editor. Second, add more comments. For example, is m ...

1 year 前 | 0

| 已接受

已回答
Factorial using a for loop
Your code works fine (though I would add semicolons to the end of all lines except the for and end to avoid spewing a bunch of s...

1 year 前 | 2

已回答
read several csv files with space in the name format
i = 1; filename2 = strcat('opt.w.matrix.reg. ',int2str(i),'.csv') As you have seen, strcat strips leading and trailing spaces....

1 year 前 | 0

| 已接受

已回答
remove decimals from title when using sprintf
Q=2021; %year x = 0:10; y = x.^2; plot(x,y) grid on title(sprintf('text %d',Q)) % <<< replace %f with %d

1 year 前 | 0

| 已接受

已回答
Error using .^ not enough input arguments
Perhaps you meant this instead % L = integral( sqrt(1+{power(dy/dx),2}),x1,x2); % ^ ^ remove...

1 year 前 | 0

| 已接受

已回答
Most readable syntax to fill table in a for cycle
There probably isn't a significantly cleaner way to do this. See below for a way to suppress the warnings. format short e x =...

1 year 前 | 0

| 已接受

已回答
How do i do x1<=x<=x2 in matlab?
You have to split up the compound condition into two conditions: (x1 <= x) && (x <= x2) If these terms are scalars, that will ...

1 year 前 | 0

| 已接受

已回答
Formatting read data from text files
text_data = fileread('Question.txt'); disp(text_data)

1 year 前 | 1

| 已接受

已回答
How can I save an animated plot as a GIF?
Check the answer to this question: https://www.mathworks.com/matlabcentral/answers/94495-how-can-i-create-animated-gif-images-i...

1 year 前 | 0

已回答
animated sine wave continously
This should get you started. Adjust as desired. Note that the animation won't show here, but I tested it my local copy of Matl...

1 year 前 | 0

| 已接受

已回答
saving workspace variables individually?
a = 1; b = 2; c = 3; vars = who for v = 1:numel(vars) save(sprintf('%s.mat', vars{v}), vars{v}) end dir

1 year 前 | 0

| 已接受

已回答
Color in plot from Table
Just a couple of issues. You need column vectors to insert into the table, and you can only have a scalar string or char vector...

1 year 前 | 0

已回答
Convert C code to Matlab code for reading binary file
Your Matlab struct doesn't match the definition in the C code. For example, the third element is a char array of 100x1000 in th...

1 year 前 | 0

已回答
Saving a structure array, not fields of it
s1 = struct('a', 1, 'b', 2') save('s1.mat', 's1') % don't use the '-struct' option clearvars whos load('s1.mat') whos Anot...

1 year 前 | 0

| 已接受

已回答
Find column number for every row in matrix
A = [ -1 4 1 1 -1 -1 -5 4 -1 ]; [row, col] = find(A > 0) [~,idx,~] = unique(row, 'first...

1 year 前 | 0

已回答
Plot colored angle between two lines on the YZ plane
This doesn't look exactly like what you want, but should get you started. meta = [14.97, 29.84, 5.61]; meta_plan1 = [15, -10, ...

1 year 前 | 1

| 已接受

已回答
I have a problem with butter filter and I can’t fix it
The error was because you were trying to set the cutoff frequency at the Nyquist frequency (half the sample rate). The error me...

1 year 前 | 0

| 已接受

已回答
Simple loop with equation problem
Time(1) = [0]; Quantity(1) = 0.2; % Corrected initial condition Xt1 = 0.2; a = 0.5; t = 9; for i=1:t Xt1 = a * Xt1 * ...

1 year 前 | 0

| 已接受

已回答
How to use isoutlier based in a part of the data?
It seems like what you are wanting to do is to chop off the "increase at the end". Here is one way to do that by searching back...

1 year 前 | 1

已回答
reading serial COM port on the fly (weighting scale -> WinPC)
The serial object overload of fopen doesn't have any output arguments, so change that line of code to the following. fopen(p) ...

1 year 前 | 0

已回答
Plotting different color points based on array values
x = linspace(0, 10); y = sin(x); % test data yhi = y; ylo = y; threshold = 0.5; idxlo = y <= threshold; idxhi = y > thresh...

1 year 前 | 1

已回答
How to bring a patch to the bottom of a figure?
The code you originally posted already had the lines on top. Just plot the lines after the patch. hold on c = fill([0 4 5 2 1...

1 year 前 | 2

已回答
Not enough input arguments
Perhaps you have added the control system toolbox since last time this worked? That toolbox contains a function named pid that ...

1 year 前 | 0

已回答
How do I get the text command to display my character string in one line on a plot?
r = pi; % arbitrary value for testing {'r =' r} % Matlab will put each element of a cell array on a different line in text, tit...

1 year 前 | 0

| 已接受

已回答
Using rmoutliers without a for loop
From the documentation of rmoutliers: B = rmoutliers(A) detects and removes outliers from the data in A. If A is a matrix, the...

1 year 前 | 0