madhan ravi

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4,609 total contributions since 2018

Communication through MATLAB is always better than arguing.

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Answered
Logical Indexing with matrix
C( A & B ) = C( A & B ) + 1

6 days ago | 0

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Answered
How can I make this work, I don't know where i went wrong.
1 / (1 + cos(4*x)) %is not the same as 1 / 1 + cos(4*x) % likewise for last question

6 days ago | 0

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can anyone help me to solve these error
function [y] = specvol(V) % change capital V to v

6 days ago | 0

Answered
SIMPLE MATH ERROR CALCULATION
Click on the tag floating-point round((9.2^2 * 1e2) / 1e2, 3) % since you're using a hardware , not sure using a sym class woul...

6 days ago | 0

Answered
convert data from two 3D arrays into three 2D arrays
https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval A = rand(2,...

6 days ago | 0

Answered
This is my attempt to generate and plot this signal .. which one of these is right? .. please help
A = 3; [B, C] = deal(4); u = @(t) t >= 3 + 0.5 * A; u1 = @(t) t >= 3 - 0.5 * A; u2 = @(t) t >= C + 0.5 * B; u3 = @(t) t >= ...

14 days ago | 1

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Answered
Saving a Matrix as an Image and then extracting same matrix from Image.
SMAG = im2double(b) %

20 days ago | 0

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Answered
How to find the mean of 12 different 3-D arrays containing nan so that I can omitnan in the final calculations?
Use mean() with "Omitnan" flag help mean

20 days ago | 0

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Answered
連続時間系のサンプリングと離散フーリエ変換
https://www.mathworks.com/help/matlab/ref/fft.html a good starting point

29 days ago | 0

Answered
theory parts from the documentation -usage
The volunteers here are there to contribute to questions related to coding. For legal questions you would be better off to conta...

1 month ago | 0

Question

Is there a way to viewmark as images?
Any possible way to extract viewmarks from Simulink as images?

1 month ago | 1 answer | 0

1

answer

Answered
Moving specific .mat files to a new folder
help movefile

2 months ago | 0

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Data Plotting in a Single Figure
U = setdiff(10 : 10: 100, 80 : 10 : 90); V = 1e2 : 50 : 450; X = sort(randi(400, size(U))); Y = sort(randi(98, size(U))) .*...

2 months ago | 0

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Answered
how to sum a result with multiple values
You literally answered your own question, just use sum() help sum

2 months ago | 1

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Answered
How to use Solver?
Use vpasolve()

2 months ago | 0

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Answered
Index a Matrix that gets smaller
for ind = size(RAW): -1 : 2

2 months ago | 0

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Answered
Error on my matrix
t_pn = (im2double(t) + p.' / 2) / 2;

2 months ago | 0

Answered
i have an Error using ^
Change * to .* in all the places.

2 months ago | 0

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Answered
Save a double array to a text file
https://www.mathworks.com/matlabcentral/answers/4175-how-to-save-a-matrix-as-text-file#answer_5892

3 months ago | 0

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problem in solving matrix
I = A \ V

3 months ago | 0

Answered
Can't solve for x with (a = y/x)
syms y a x eqn = a == y/x; s = solve(eqn, x)

3 months ago | 0

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solving symbolic array to output a numerical solution
struct2array(Ma3)

3 months ago | 0

Answered
removing rows from a timetable
load combined_observed_vs_sim_timetable combined_data(1 : 12, :) = [ ]

3 months ago | 0

Answered
Array indices must be positive integers or logical values.
ii = 0.01:0.02:0.99; w1_temp= ii; w2_temp= 1-ii; Rp_temp= w1_temp*mean(R_2(:,1))+w2_temp*mean(R_2(:,2)); ...

3 months ago | 0

Answered
Why does contains(var1, var2) find matches in two different string arrays?
ch_names = {'FP1','FPz','FP2','AF7','AF3','AF4','AF8','F7','F5','F3',... 'F1','Fz','F2','F4','F6','F8','FT7','FC5','FC1...

3 months ago | 0

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Answered
Save variable of workspace in another folder
save('C:\Users\Desktop\folder\POWER.mat', 'POWER')

4 months ago | 2

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Answered
Non-functioning function
if length(N) > 1

4 months ago | 0

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Answered
How do I save filenames in a for loop for later access?
C = cell(nnz(~fn(k).isdir), 1); % before loop function C = filnamn(katalog) % displays the names of all files in given diretor...

4 months ago | 0

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Answered
a vector of hours
hours(0 : 23)

4 months ago | 0

Answered
Why do I get the error "Unrecognized function or variable" with this
I don't know why you deleted your question and changed your name. 1) Why do you name a variable as the same name of a FUNCTION....

4 months ago | 0

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