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partfrac() function returning same expression
It gives the same expression as the output because the denominator can not be decomposed with the default factor format i.e. 'ra...

2 years ago | 1

Answered
Trying to extract the rows from a matrix where the values from the first two columns match the values from another matrix
%Sample data for example y1 = magic(5) y2 = y1; y2(randi(25,1,5)) = 0 %Comparison idx = all(y1(:,1:2)==y2(:,1:2), 2) out =...

2 years ago | 0

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Answered
Calculate double integrate of sin
You can simplify the expression obtained - syms theta rho n f = sin(rho)^(n + 2)*sin(theta)^(n + 1); I1 = int(f,rho,0,pi);...

2 years ago | 0

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Upsampling a matrix with zero elements
%input x = [1 2 3 4; 5 6 7 8] %Upsample factor n=2; %preallocate the output matrix y = zeros(n*size(x)); %assign valu...

2 years ago | 1

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Execution of script rainflow as a function is not supported, then gives the path of the rainflow.m file.
Follow instructions from this documentation page to add the directory you have mentioned to the search path of MATLAB and save i...

2 years ago | 0

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How to split array into sub arrays?
a = [1 3 5 8 11 12 15 17 18 19 20 21 24 29 31 32 33 34 35 36 38 39 69].'; %bin the data into groups of 10 k = findgroups(flo...

2 years ago | 0

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Answered
Execution of script Faddeeva_w as a function is not supported:
You have defined the file "Faddeeva_w " as a script. But you are trying to call it as a function i.e. by providing an input (as...

2 years ago | 0

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incorrect reading of a txt file
I am not sure what the expected output is supposed to be, but you can use readtable - in = readtable('test.txt','DecimalSepara...

2 years ago | 0

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Answered
Problems using plot3
As I have mentioned earlier in my answer to one of your questions, do not use the deprecated xlsread function. Utilize the ro...

2 years ago | 0

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Answered
Find common rows between two matrices with different number of columns
A = [1 2 3; 4 5 6; 7 8 9]; B = [1 3 20 2; 1 2 3 55; 7 8 9 10; 88 2 1 5]; %Indices of rows in B idx = 1:size(B,1); for k=...

2 years ago | 1

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Answered
Index in position 1 exceeds array bounds. Index must not exceed 1.
You have not defined "t" and many other variables as input to the function "Reduced_Degree_model". You have defined "tspan" and...

2 years ago | 0

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From what MATLAB version can max() return linear indices?
From the official documentation, R2019a was the version when this syntax was first introduced - https://in.mathworks.com/help/re...

2 years ago | 1

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Answered
How can I get three plots from a struct array which is split by three categories?
Use a for loop to go through each unique category and utilize logical indexing to obtain and plot the corresponding data. Refer...

2 years ago | 1

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Answered
What is this error and how do I fix it?
Most likely the function "calculate_residuals" is not in the current directory. Type "cd" in the command window to get the curr...

2 years ago | 0

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Answered
Islocalmin/max on an Animated Plot and Indices Problem
The syntax of islocalmax (and islocalmin) is different than that of findpeaks. Check the documentation for the appropriate synt...

2 years ago | 2

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Bei der Installation kann das Passwort nicht eingegeben werden.
These might help you - https://in.mathworks.com/matlabcentral/answers/1456459-can-t-enter-text-when-installing-r2021a-on-ubunt...

2 years ago | 2

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Answered
Roots of a 4th degree polynomial and plotting a graph
Define the polynomial as a Function Handle of the variable 'k' and use roots for different values of 'k'. Yes, you can plot t...

2 years ago | 0

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Can I customize the display format?
"Is there any way to customize the display format in the command window beyond the exisisting options for format?" No. Thoug...

2 years ago | 0

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Answered
A question about list folder contents with dir
This notation is used in filesystems (and anywhere they are implemented/used) - . refers to the current directory/folder. .. ...

2 years ago | 0

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Answered
Simplifying for-find loop functions to speed up processing
I assume r, c and v have the same number of rows - %Check which rows from the given range in mD have more than 3 values greate...

2 years ago | 1

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Answered
Can someone helps me to solve the error in this code?
There are missing operators at many places in your code, e.g. - % vv vv ia = (10^-7)(exp(-(Eexc/R)((1/T...

2 years ago | 0

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Stop Matlab from reopening sessions
Yes, follow these steps - HOME -> Preferences -> Editor/Debugger -> Opening files in editor In that section, Untick the option ...

2 years ago | 0

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Answered
Warning: Escaped character '\U' is not valid. See 'doc sprintf' for supported special characters. Warning: Error updating ConstantLine. Execution of script mean as a functi
Given the warning message - I suspect that you have a overloaded the mean() function by naming a user-defined script as mean. ...

2 years ago | 1

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How to turn off text highlighting/ variable usage counting in 2023a
You can turn off the highlights by pressing "Ctrl + Shift + H". But when you will do so, the message at bottom left will say - ...

2 years ago | 0

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Import XLSX in MATLAB using input() and xlsread()?
You should use the more robust readmatrix or readtable. There is no need for using input(). Directly specify the filename to th...

2 years ago | 0

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Answered
Trying to plot the output of a function where h is a range over 10^-1 to 10^-18
We can take advantage of the vectorization here - AD = absolutediff(2.5) function AD = absolutediff(x0) %Function defi...

2 years ago | 0

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Calling a function in the command window
When you define a function inside a script, it is only accessible within the script. From this documentation page Local funct...

2 years ago | 5

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Extraction based on the array indices
Use logical indexing - Find Array Elements That Meet a Condition

2 years ago | 0

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Answered
Different results by or(A,B) and xor(A,B) for matrices, why?
Why do you expect 2 different operators (and 2 different functions for that matter) to give the same result? From the respect...

2 years ago | 0

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Answered
offset on y-axis
If you are using R2018b or a later version, utilize stackedplot.

2 years ago | 0