Answered
Trying to find the corresponding value of a matrix with an input?
see below for the interpolation fig = openfig('VelocityAgainstRodHeight500Hz.fig'); axObjs = fig.Children; dataObjs = axObjs....

circa un mese ago | 1

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Answered
How introduce a delay of one second in MATLAB?
you can use the "pause" function, this will pause matlab for the given amount of time pause(1)

circa un mese ago | 0

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Answered
create a sparse multidimensional matrix
you can either fill it in directly or use blkdiag to create this shape: % direct method % on row 3 7 and 11, column 1 2 3 resp...

circa un mese ago | 0

Answered
How to define if a point is inside or outside a 3D pyramidal area?
Hi, asuming you want to use as many standard matlab functions, the easiest method i can think is by constructing two terahedrond...

circa un mese ago | 1

Answered
How can I create a quadratic matrix with variables?
you do not need to use .' in this case, only use the transpose operator: syms q1dot q2dot q3dot q4dot q5dot real qdot= [q1dot...

circa un mese ago | 0

Answered
Frequency words for each labels
Edit to make so that the code works with the latter added example data... % read the file data = readtable("dati_classificat...

circa un mese ago | 1

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Answered
Order Matlab not to continue until the external run is completed
Asuming you are using windows. You can can just add the [~,~] as output to the system command, this way matlab will wait unti...

circa un mese ago | 0

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I want to Access value by using its key , the login should to be like if user enter key1 it should match with key1 keyword from excel sheet and give value_1 as output.
Hi, you can compare the strings of the key with the user input, and then use that index to retrieve the value: UserInput = "key...

circa un mese ago | 0

Answered
Read the column 2 and 11 from 45 csv files in 45 subfolder hence plot them.
Distance(i) = table2array(data(:,2)); Here you are trying to store an entire array into a single placehoder. Unless data(:,2)...

circa un mese ago | 1

Answered
How to mark the maximum of a surf plot
I'm guessing you switched maxa and maxb. Note that the columns are plotted on the x axis and the rows on the y axis. alpha=50; ...

circa un mese ago | 0

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Answered
Undefines function 'fsic' for input arguments of type 'cell'
It could be the case that the required function is inside a subfoler. I would try to use addpath( genpath( "C:\Users\Bryher\One...

circa un mese ago | 0

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How do I split this data into different column and write it back in a text file with an extention .bdf?
Hi @Adeline War, assumig you have the data in a string array, you can use the procedure below. MyData = ["MAT1,88813,210000.0,,...

circa un mese ago | 0

Answered
Epoch time conversion using datetime function
One approach would be to add the "ticks per second" parameter, in your case set it to 1000: EpochVal = 1650000000000; % conv...

circa un mese ago | 0

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Adding time to time string
Note that it would be much easier to answer if you would have added exmaple data, anyhow you can use the following approach: % ...

circa un mese ago | 0

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How to generate noise signal with desired max and min signal?
if you just want a random signal you can try the following: MinVal = 2 ; MaxVal = 4; numPoints = 1000; Data = MinVal + rand(...

circa un mese ago | 0

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Answered
Struggling to retrieve table data as numeric values
Hello, normally str2double should work. See below for an example. % allocate the table varTypes = ["double","string","string"]...

circa un mese ago | 0

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Answered
Oldest person in the room code not working
Hello, the issue is that the variable "name" is a char array in your case, hence it returns a char. It will be easier to store ...

circa 2 mesi ago | 1

Answered
How to extract one data from various mat files to one txt file
assuming you want to append the data to the same text file, you can generate the name of the file in a loop: numFiles = 10; fo...

circa 2 mesi ago | 1

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Answered
Plot 3D Animation
not sure witouth some example data, could you share for instance the struct holding the time history of the solution? As a tip,...

circa 2 mesi ago | 1

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Answered
Create a 1D row vector (5,1) with middle elements = T.
I guess this was only a typographical error, where you inserted the variable 'T' into 'temperature', see below for the adjusted ...

circa 2 mesi ago | 0

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Contour plot over a specified region
Using the patch command u can plot as many triangular or rectangular shapes at the same time. Just build the grid (i.e. the 've...

circa 2 mesi ago | 0

Answered
Matrix caculation about NAN and IFN
you can use indexing to avoid deviding by zero: A = [1 0 0; 1 1 0; 3 4 2; 2 3 1]; B = [1 0 2;1 0 14; 0 1 11; 1 1 10]; C = ze...

circa 2 mesi ago | 0

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Answered
set values after certain value is exceeded to 0
One approach is to first look for the treshold value, build a logical array using that values and then use it together with an a...

circa 2 mesi ago | 0

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Answered
how to plot deformation with value from ansys to matlab
you can use the patch command, see the method below coordinates = readmatrix("coordinates.csv"); displacements = readmatrix(...

circa 2 mesi ago | 1

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Answered
Sort according to specific string contained in file name
You can try spliting the lists, then ordering them and then using the indixes to sort the original list: ListA = ["010822_AB030...

circa 2 mesi ago | 0

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Answered
Extract certain numbers from a text file.
see below for one method to do this % read the file MyData = readmatrix('example_txt_file.txt'); % specify frequency valu...

circa 2 mesi ago | 0

Answered
How to seprate elements based on value counts In MATLAB
If i understand it correctly, you want to keep only the unique values from each cell and find the overal "count" of each value? ...

circa 2 mesi ago | 0

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Truble codeing a diamond lattice
You need the additional subroutines. In this case "diamondLattice.m" and all other routines accompined by it... After a quick b...

circa 2 mesi ago | 0

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Answered
Making a 3D plot and rotating it
@Sam Chak as requested a seperate answer to show the "patch" approach As mentioned in the comments, there remains a part to com...

circa 2 mesi ago | 1

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Answered
How can I name the x-axis elements on a plot?
Here you go, you can overwrite the ticks with a string: % data M = [1 2 3 4 5 6 7 8 9 10 11 12]; Months = ["Jan","Feb","Mar",...

circa 2 mesi ago | 1

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