madhan ravi

Last seen: Today

4,598 total contributions since 2018

Communication through MATLAB is always better than arguing.

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

4 days ago | 0

Answered
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))) .*...

4 days 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

5 days ago | 1

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Answered
How to use Solver?
Use vpasolve()

5 days ago | 0

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

7 days ago | 0

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

10 days ago | 0

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

10 days 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

15 days ago | 0

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problem in solving matrix
I = A \ V

15 days ago | 0

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

23 days ago | 0

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

23 days ago | 0

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

23 days ago | 0

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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)); ...

1 month ago | 0

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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...

1 month ago | 0

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

2 months ago | 2

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Non-functioning function
if length(N) > 1

2 months ago | 0

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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...

2 months ago | 0

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a vector of hours
hours(0 : 23)

2 months ago | 0

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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....

2 months ago | 0

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Answered
Integral2 Error message
F = @(x,y) x./y + y./x q = integral2(F,1,2,1,4)

2 months ago | 0

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Answered
How do I indicate phase changes on my velocity versus time plot on MATLAB?
t = [1.85 2.87 3.78 4.65 5.5 6.32 7.14 7.96 8.79 9.69]; d = 10: 10 : 100; v = gradient(d) ./ gradient(t); figure(1) dvdt = g...

2 months ago | 0

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Error with plotting a function
K = 10; r = .1; t = 0:1:100; solution1 = @(t,y) K .^ (1 - (exp(-t*r))); plot(t,(K.^(1 - (exp(t*r*-1)))), '-b');

2 months ago | 0

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Answered
Specify the y value where the graph should start
%Variabler A_sveip = 2.27; luft_tett = 1.225; %Virkningsgrad v_0k5 = [0:0.5:30.5]; P_0k5 = [0 0 0 0 0 20 30 50 70 95 120 ...

2 months ago | 0

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Answered
n乗根が小数で表されてしまうがn乗根のまま表記して欲しい
sqrt(sym(2)) sqrt(2)

2 months ago | 1

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Answered
Position of element in a row
Use second output of find() help find

2 months ago | 0

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Breaking equations down into parts while retaining output
atimesb = a * b; ctimesd = c * d; eqn = MyTotal == atimesb + ctimesd

2 months ago | 0

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Answered
Unrecognized function or variable
Following Steven’s answer would clear that error but you will have a following error, so change that part of your code to the fo...

2 months ago | 0

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How do you name single output functions?
result = @(in) in.^2; result = result(1 : 10)

2 months ago | 0

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Subtract rows and Save the outputs in a new column
Use readtable(), diff() and finally writetable().

2 months ago | 0

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Display symbolic expressions as rational.
syms x sympref('FloatingPointOutput',true); (1/2)*(3*x^2) sympref('FloatingPointOutput',false); (1/2)*(3*x^2)

2 months ago | 0

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