回答済み
Extract single-digit and double-digit numbers at the same time from a cell array with "regexp"
a={'1','3','6-10','11-20'}; b=regexp(a,'[0-9]+','match'); %<<< add the + to match multiple numeric characters b{:}

8ヶ月前 | 1

| 採用済み

回答済み
How to match mean and standard deviation of 2 datasets for data that cannot be less than 0
Your model data doesn't look at all like the observed data, so I'm not surprised that trying to force their statistics to match ...

8ヶ月前 | 0

回答済み
confirm valid file identifier before flcose?
If you call fopen on the file identifier when the file is closed it will return empty (instead of returning the filename). So, ...

8ヶ月前 | 0

| 採用済み

回答済み
Why is the error in the attached code?
After adding end to all of the functions so that this would even run, you get an dimension error (see below). You are trying as...

8ヶ月前 | 0

| 採用済み

回答済み
Need for help for performance improvement or refactoring methods on this code
Wow! That code gets weird really fast. First, you haven't posted code that will actually run. You've shown three functions ...

10ヶ月前 | 0

回答済み
How can I break a long column vector (281820X1) into 140 short column vectors (2013X1)?
Use reshape data = (1:281820)'; cols = 140; rows = numel(data) / cols; data_reshaped = reshape(data, [rows cols]); whos ...

10ヶ月前 | 0

| 採用済み

回答済み
How to include a negative number in initial conditions for Eulers method code?
It is always better to post example code as text rather than a screenshot. Nevertheless... Since the first element of x is -1 ...

10ヶ月前 | 0

回答済み
Plotting .mat file
That mat file doesn't contain anything interesting to plot. load metro.mat whos AudioInfo

10ヶ月前 | 0

回答済み
Load .txt file into matrix form
That looks like a good candidate for readmatrix. mtx = readmatrix('X_deg_10.txt'); size(mtx)

10ヶ月前 | 0

| 採用済み

回答済み
what's the index exceed error?
On the second pass through the for k = 1:20 loop, you are trying to access the second row of sig, but it only has one row.

10ヶ月前 | 0

回答済み
How can I import this data with a for loop?
You were very close. x = [3 5 7 9 11 12 14 15 16 17]; for i = 1:numel(x) fn = sprintf('PendulumTestData/TD%d/IK/HR_1.mot'...

10ヶ月前 | 1

回答済み
Adding zeros to a column vector to match a larger column vector
new_x= [x; zeros(length(y)-length(x), 1)]; % ^ ^ switch the arguments to zeros % use ...

10ヶ月前 | 0

回答済み
Plots: aligning categorical y-axis labels
% create dummy data y = [1,2,3]; x = [5,10,20]; err = 0.5*ones(size(y)); % draw plot figure(1) yyaxis right errorbar(x,...

10ヶ月前 | 1

| 採用済み

回答済み
Resolution of plot code errors
Why are you trying to do this with symbolic variables? It works using simple numeric variables. x = linspace(-5, 5, 500); y =...

10ヶ月前 | 0

| 採用済み

回答済み
Issue with delete(obj)
Here are some modifications that should get you closer to what you wan't. Note the comments I've added in the code to point out...

10ヶ月前 | 0

| 採用済み

回答済み
for loop does not iterate
Array indices in Matlab must be positive integers (or logical). You are trying to us xroots, a vector of complex numbers as the...

11ヶ月前 | 0

回答済み
How to save the result of each loop separately
Perhaps this (using a cell array)? y = [3 4]; for i = 1:length(y) x{i} = zeros(y(i), 2) end

11ヶ月前 | 1

回答済み
How would I plot this and then achieve minimum and maximum.
x = 0:0.1:15; % y=(x)^3/3-11(x)^2/2+24x << you were missing multiplication operators * % and the powers need to be .^ (element...

11ヶ月前 | 0

| 採用済み

回答済み
Hexadecimal Data Convert to signed int32
The hex2dec function assumes unsigned integer unless you tell it otherwise. You can either typecast the unsigned result to sign...

11ヶ月前 | 2

回答済み
wildcard in filename for readtable does not work
You must call readtable with a valid filename for an existing file. It will not accept wildcards. You could use uigetfile to o...

11ヶ月前 | 0

回答済み
Indexing with min and numel
vector1 = 1:5 vector2 = 2:7 N = max(numel(vector1), numel(vector2)) [n,I] = min([numel(vector1),numel(vector2)]) I'm not sur...

11ヶ月前 | 1

回答済み
Code gets stuck loading when I try to run it.
In your SEGMENT 1 code you have this line where you are updating time (even though the comment says "Height Update"). I don't s...

11ヶ月前 | 0

| 採用済み

回答済み
how to plot signals on the same scale
For the green one, just subtract the first element of the capacity vector from the entire vector in your plot command. For exam...

11ヶ月前 | 1

回答済み
how to obtain the data from the middle of the binary file using fread in MATLAB?
The second argument to the fread function is the size of the data to read, not an index, as you appear to be trying to use it. ...

11ヶ月前 | 0

回答済み
how to import file?
You were pretty close. Here is one approach, converting your third columns to arrays instead of extracting them as tables with ...

11ヶ月前 | 0

回答済み
While loop in function
Perhaps you meant to test the absolute value of epsilon_a? %known veriables syms x f(x) = exp(-x) - x; eqn = f(x) == 0; mat...

11ヶ月前 | 0

回答済み
Determine the relational operator in an expression
If you can rely on x always being on the left in your "test" expressions, you can test for y being on the left in the result ret...

11ヶ月前 | 0

回答済み
I want to plot parameters and time , with influence three others paramaters , but i dont know how to plot
Note that, in Matlab, functions must be defined at the end of a script. Your code seems to run just fine after reordering it. ...

11ヶ月前 | 0

回答済み
Piecewise function graph help
Use logical indexing: L = 200; d = 10; s = 30; r1_max = 22.36; r2_max = 120.4; r = 0:200; F = zeros(size(r)); idx ...

11ヶ月前 | 0

回答済み
how to zero pad a vector to have the same amount of data as a vector with more data?
Try this: %%% goal: to have the length of 'in' equal the length of 'verb' %%% define inputs [in, fs] = audioread('smash_...

11ヶ月前 | 1