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I tried plot a 3d animated but it doesn't work.
I think you want to use scatter3 and not plot3. See below for a demonstration, i commented some line to run it in the browser (w...

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How di I make concise multiple parameter calls?
One way to do this is by storing the data (or params as you call them) in a cell array, see below for an example. MyString = ['...

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Index in position 1 exceeds array bounds (must not exceed 7).
I indicated in your script where the issue lies, in short: P is a 7x2 matrix. when kk == length(k), it means that k(kk) = 7 ...

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3D point plotting
you can use the plot3 function to plot a 3D line, see below for a demonstration. L1 = 26; R1 = [16 ;17 ; 19 ;25 ;26 ; 27 ; ...

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How do you change the asterisks in the first string to the characters in the same positions in the second string?
See below for one method. string1 = 'v**de***t'; string2 = 'eolehmors'; % find location of the asterisks idx = string1 == ...

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How to display only few values in a plot rather than for whole points in a big array?
See below for a demonstration, i had to assume some parameters. However the plotting princaple remains the same. % these parame...

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Join two table variables into one. == does not works of table type
I think one of the issues is the nan in the data, the result of nan == nan is something for philosophers :) Anyhow, see below f...

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How to get all positive values in following code
Im modified the code a bit, see below for the adjustments and some coments in the code. I stored the T values along with the i ...

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displaying images in random order using 'imread' function
one method could be the following: % number of images numImg = 4; % random permutation of the integers 1:numImg imgIdx = ran...

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formula for changing the base of a logarithm is: loga(N) = (logb(N))/(logb(a)) (a) Use MATLAB's function log (x) to calculate log4(0.085)
You can create a function handle to eval the desired base: log4_fun = @(x) log(x) / log(4) log4_fun(0.85)

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Efficient submatrix product computation
Do note that a for loop can be very efficient. I'm not sure the single line methods will always be faster. Below you can find o...

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Adding parameter to file name string when saving a figure using savefig or figsave
Do you mean savefig? See below fo a method to create the filename as you indicate and a demo to save and open the figure. CHANN...

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How to use IF statements to find data greater than or equal to a certain amount
see below for a demonstration Time = [1 2 3 4 5 6 7 8 9]'; Capacitance = [0.3 0.5 0.8 1 1.3 1.4 1.2 0.9 0.5]'; MyTable = ta...

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I get wrong logic while I compare two datetimes
Note that isbetween(t,tlower,tupper) is used to check the following logic: tlower <= t & t <= tupper. See below for the code ru...

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Connecting dots with spline or polinomial on an image to process it later
There are multiple ways to do this, here is one example using a file exchange function to subsaple the spline and make a smooth ...

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How to create a counter to store multiple solutions
Since you have a double loop, the easiest method will be to add a variable e.g. counter. Initialize it to zero, and then add 1 t...

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compare 1X6 cell data with Structure
you can use the contains function do determine if the desired name is in the folder name. See below for the procedure. The resul...

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Can't get my code to execute
There were some minor mistakes, see below for the code with inline comments to explain the differences. A = 1.325; B = 3.7; ...

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How to print multiple Values using sprintf In matlab
This is due to the amount %d you have used. Only use 2 of them for DS Value and 19 for DS Length update added a 'print string' ...

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Getting dimension indexes based on element index
You can use the ind2sub function for this (link --> Convert linear indices to subscripts - MATLAB ind2sub (mathworks.com) ) See...

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How to extract a string before a number?
You can use the regexp function to find the indexes for the numbers. Then you can split the char array using that index (minus o...

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Sum selected columns of a matrix
One approach is shown below, there are some comments to explain the steps. A = [0.0486947932834768 0.590504451038576 0 0.057986...

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Unexpected result at interpolating values from scattered data
You could try another approach, by first fitting a curve trough the points of the two lines. Then evaluating those line alone eq...

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Date time conversion fail
From the looks of it, you need to change the months (M) and minutes (m) symbols in your time format to convert the string into e...

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How to find '1' for the second time in a matrix by row wise
If you don't mind using a loop, you can do this the follwing way: A = [ 0 0 1 0 0 0 0 0 1 1 0 0; 0 0 0 0 0 0 0 0 0 0 0 0; 0 0 0...

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did I plot the "r" factor correctly in it?
at first glance you still need to take the absolute value, see below ti = 0; tf = 1E-4; tspan=[ti tf]; y0=[1; 1; 1; 1; 1; 1;...

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Min between integer and empty array
You can make this work by adding the dimension parameter to the min function, see below X = [1,2,3,4,10,11]; Y = [1,2,3,4,5]; ...

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How to plot like the following figure in Matlab?
Yes, to omit some data points you can introduce NaN into the y data. See below for an example. x_data = 1:100; y_data = rand(1...

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While loop and optimization
You can change the condition for the while loop to reflect this, see below for an example t = 0.1; t_max = 0.35; while t <=...

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I am getting error like invalid expression
the error is located in syntax of the run_L_p function. You need to change the numeric values into variables i.e. change funct...

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