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# Jesus Sanchez

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45 total contributions since 2018

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why plot result is different from fplot's
Problem solved. The problem here is the value of n. Since you wrote that n = 600, the resulting number is too big for the comput...

1 month ago | 0

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why plot result is different from fplot's
For plot, you wrote that x is defined between -pi and pi. For fplot, you can see the reason in its reference page fplot(f) plo...

1 month ago | 0

Simple version of creating a matrix
One possibility is to concatenate them at the same time that they are created using zeros and ones. So something like this: Aeq...

1 month ago | 1

Need help on usage of s-parameters
This toolbox comes with an Sparameters reader. What do you mean with "the impulse response"? S parameters already give insight a...

1 month ago | 0

S-parameter to Y-parameter
Check this toolbox, it does usual transformations between these kind of parameters

1 month ago | 0

Savig a workspace file..
Without the code, we cannot do much. However, for the save I think that you are not wrting the variable name as a string. See Sa...

1 month ago | 0

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Save multiple functions on a single vector
One possibility is to work with them as vectors and then unite them in one matrix. everyDay = 10; % N out1 = zeros(everyDay,...

1 month ago | 0

Getting array out of for loop
Treat p_out as a vector and you will be fine: for i = 1:length(n) % for loop for iteration of n times p_out(i) = p_in * ...

1 month ago | 0

saving data during iterations
It seems that you are overwriting y in each iteration. Being that the case, I would create a matrix stored_y to save the values ...

1 month ago | 0

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Delete duplicate data rows from cell array
From this previous question A = [1 1 2 2 3 3 3]; [U, I] = unique(A, 'first'); x = 1:length(A); x(I) = []; Therefore in your...

2 months ago | 0

confusing regarding two cases of multiplication in MATLAB?
".*" -> Element-wise multiplication Example: [1 2 3].*[1 2 3] = [1*1 2*2 3*3] = [1 4 9] "*" -> Matrix multiplication Exampl...

2 months ago | 1

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How to store values in a loop?
Just fill them like they are vectors. MATLAB can add new "cells" to each vector on the fly, or you can pre-define them for speed...

2 months ago | 0

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Plotting a continuous line from separate data files
Combine all of them in one vector before plotting. If they are line-vectors: x_data = [x1 , x2 , x3 ... x9]; y_data = [y1 , y2...

2 months ago | 0

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how should I correctly use findpeaks() so that the output will not show me the following error
Data is a matrix of Nx2. You just need to select which vector you want to use to search for the peaks. I guess is the second o...

3 months ago | 0

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Easiest way to skip a few lines and then read data from this text file ( x and y) to draw a plot.
From yout MATLAB: Home -> Variable -> Import data. From there you can also create a function that will allow you to import futu...

3 months ago | 0

Ascending table column labels
I would do it inside a for loop: matrix = [1 2 3; 3 4 5; 6 4 5; 9 8 7]; % 4 rows and 3 columns colnames = {}; % Initializes co...

3 months ago | 0

using google on matlab web browser
You need to generate the complete url from matlab and then pass that to web(url). After a brief testing, the format for google s...

3 months ago | 0

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Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4 months ago

fprintf- I dont want to print one result.
clear clc x= input ('Enter x: '); %Degree of reaction to the virus from a blood test. showHours = 1; if x==0 disp ('Ne...

4 months ago | 1

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Submitted

createArchimedeanSolid
Creates required Archimedean solid with desired edge length a centered at origin.

how to find x if i only know y?
As you are working with degrees, I consider that you want to have natural numbers as a result, not something like 5.0358 degrees...

4 months ago | 0

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Joining 2 tables to make 1 table
You can unite them as if they were matrixes: complete_table = [table1 ; table2]; % This should work to join the columns of both...

4 months ago | 0

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For loop nested plotting
Use a if-else expression: if current_iteration == 10 plot(T,cost) end

4 months ago | 0

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Unable to convert expression into double array.
Your problem is that you did not assign numerical values to your sym variables. Therefore, when you do double(sym_variable), mat...

4 months ago | 0

Question

Archimedean solids in MATLAB
Hello all, I have been looking for a toolbox or file exchange that generates or gives back the vertices of the 14 archimedean s...

4 months ago | 1 answer | 0

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Question

Print user-defined error messages as a table
Hello all, I would like to display an error message that informs the user of a function of the options that he has avaliable....

4 months ago | 1 answer | 0

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Undefined function 'addElement' for input arguments of type 'cell'.
Check the value of "verso". If it is not a number, the conversion from cell to double using "double(...)" does not work. This mi...

4 months ago | 0