回答済み
Undefined function or variable 'aviread'. >> aviread('traffic.avi'); Undefined function or variable 'aviread'.
There used to be an aviread function in MATLAB, but I believe it was removed sometime around release R2014b. The recommended rep...

2年弱前 | 1

回答済み
how i can show in matlab tha sqrt(x^2)=x in symbolic toolbox
That's not true in the general case. A = 1; h0 = 1; dhmax = 2; B = -5; lhs = ((2*A*dhmax + B*h0)^2/h0^2)^(1/2) rhs = (2*A*...

2年弱前 | 1

| 採用済み

回答済み
An absolutely ascending sequence
Those who have said there is no function for this are incorrect. The issorted function allows you to ask if an array is sorted a...

2年弱前 | 4

回答済み
Strange case of Code analyzer and if-else block
It’s rather obvious that only one of the blocks will execute, and it seems redundant for the analyzer to flag this. In this cir...

2年弱前 | 0

| 採用済み

回答済み
The rotation in the rectangle function in matlab cannot be used, but the 2022 version can be used.
try rectangle('Position',[1 2 5 6],'Rotation',45); catch ME fprintf("This command threw the following error:\n%s", ME...

2年弱前 | 0

| 採用済み

回答済み
How can I fix ODE45 returning a straight line when using specific `tspan` points, instead of showing dynamic behavior over the time range?
Your ode_LR function is defined to accept four input arguments, the two required arguments plus two additional parameters. func...

2年弱前 | 0

回答済み
error running getting started code
If you're using this matrix: a = [1 3 5 2 4 6 7 8 9]; the warning is correct. The matrix y...

約2年前 | 0

回答済み
Using "unique" to identify unique values AND number of occurrences of each unique value
Use the groupcounts function. A = {'AGAP001076-RD' 282 0.67229 'AGAP001076-RD' 285 0.75292 'AGAP001076-RD' 286 0.66957 'AGAP...

約2年前 | 0

| 採用済み

回答済み
Having trouble printing variables I use as inputs to a function.
Let's look at a few selected lines of your code. The only variable that gets displayed with NaN values is uvwAndrSol so let's fo...

約2年前 | 0

回答済み
No matter the NOA matrix I enter, the result I receive is "empty double column vector" and I want to receive a numerical value.
Let's look at the last column of your two matrices. syms phi_a phi_o phi_n %Rotation in a T_a = [cosd(phi_a), -sind(phi_a), 0...

約2年前 | 0

回答済み
How to convert a function handle to symbolic function?
Are you hoping to use this fit object as the right-hand side of a differential equation ? If so keep in mind that fit objects ha...

約2年前 | 1

回答済み
bitshift in matlab vs ishft in fortran
Instead of using bit operations yourself, why not just use typecast? t = 'int32'; x = randi([intmin(t), intmax(t)], 1, 2, t) %...

約2年前 | 0

回答済み
N-dimension curve fit how to
See the Multiple Regression section on this documentation page. While that example only uses the first power of each of the vari...

約2年前 | 0

回答済み
Is there a meaningful guideline on when to use parentheses vs square brackets vs curly brackets in writing MatLab code?
Parentheses Generally speaking, using parentheses to index into a variable usually does one of two things. If the variable is ...

約2年前 | 2

| 採用済み

回答済み
How do I print a % character into a file
If you don't need str inside your code other than to write it to the file, rather than creating it just write directly to the fi...

約2年前 | 1

回答済み
Why do we get MATLAB fatal errors saying “Access violation detected”?
Please contact Technical Support directly using this link. Send any crash log files to Support and work with them to determine t...

約2年前 | 0

回答済み
Why is 0.3 - 0.2 - 0.1 not equal to zero?
Starting in release R2024b, you can use the isapprox function to determine if two values are approximately equal to within a tol...

約2年前 | 1

回答済み
Colon operands must be real scalars
For the expression you gave there are a few possible "reasonable" solutions for what it returns. [But it may not do what you thi...

約2年前 | 0

回答済み
Heatmap doesn't show the values
Let's check that you're using the heatmap function included in MATLAB and not a different heatmap.m that you've written yourself...

約2年前 | 2

| 採用済み

回答済み
Some indices in indexed images made with cmunique are 0, what does that really mean? Isn't is a bug? I cannot index a colormap with index=0. Documentation is contradictory.
0 is a nonnegative integer value. isZeroNegative = 0 < 0 % false isZeroInteger = 0 == round(0) % true If you're using Imfig_i...

約2年前 | 0

回答済み
assign the fields of a structure correctly
Is d1 a struct array whose fields you need to rearrange? d1 = dir(which('bench.m')) If so you can use orderfields. I'm going t...

約2年前 | 0

回答済み
Differenece between "MATLAB for the MathWorks Certified MATLAB Associate Exam" and "MATLAB Fundamentals"
If you click "Learn More" in the "This course will be discontinued" banner on that course, it suggests the "Build MATLAB Profici...

約2年前 | 0

回答済み
error in symbolic convolution using integral and isAlways
Are you trying to tell MATLAB that % lam_f > 0 & u_f > 0 & sigma > 0 or are you trying to ask MATLAB if those three conditions ...

約2年前 | 0

回答済み
How to stop unwanted rows being added when constructing a matrix in a for loop
Since you're creating matrices with diagonal bands, consider using the diag or spdiags functions. n = 7; mainDiagonal = diag(6...

約2年前 | 0

回答済み
Individual User License usage conditions
Please contact Customer Service directly using this link or contact the Sales department directly using this link for help with ...

約2年前 | 0

回答済み
Issues using 'readtable' (MATLAB 2024a)
Let's check that you haven't accidentally defined a length.m function that does not behave the same way as the one included in M...

約2年前 | 0

| 採用済み

回答済み
Problems with query points
According to the information you provided when you asked the question, you're using release R2023b. Looking at the documentation...

約2年前 | 0

回答済み
Generate mlint warning when variable is not unused
Is it possible to generate a warning when a variable is not used. More exactly, I would like to have the following behaviour: a...

約2年前 | 1

| 採用済み

回答済み
Reading columns from a poorly-formatted text file
I would experiment with the settings controllable using the Import Tool to try to import the data. You could try running Import ...

約2年前 | 0

回答済み
How can I fix this error? 'Error: File: RSM_yeni.m Line: 84 Column: 19 Invalid array indexing.'
Looking at this line in your code (commenting it out so I can run code later in this answer) %{ constraint = @(x) fun(x)(1) - ...

約2年前 | 0