Community Profile

# Shubham Gupta

283 total contributions since 2017

View details...

Contributions in
View by

Datenum with a.m. and p.m.
Assuming there is ".m. EST" attached to each "timestamp" at the end. You can follow the steps: Step-1 Replace ".m. EST" to just...

21 jours ago | 1

| accepted

Trying to count number of cells between two columns
In the code that you have shared whichDistance is an empty matrix. So when you do raw(whichDistance, :)=[]; raw array doesn't ...

21 jours ago | 0

index array to access the value in matrix
Step1 - Convert the subscript to indeces using x & y(Hint: sub2ind) Step2 - Calculate values of IM for calculated indeces Step...

22 jours ago | 0

| accepted

Writing a Function Code
Try: function out = timeconv(t) y = datestr(round(t/900)*900/(24*60*60),'HH:MM AM'); end

22 jours ago | 0

How to find the maximum value for each 24 rows in an array?
According to the comments, you have provided, this will produce the desired output : yd = max(max(mn2t)); % first find maximum ...

23 jours ago | 1

| accepted

how to index a cell array?
Try : area_r = arrayfun(@(a) cellfun(@(c) trapz(c(c>=0)),a.elevation,'UniformOutput',false), K, 'UniformOutput',false); I hope...

23 jours ago | 0

| accepted

Getting an empty plot
Try: clear; x = linspace(5.62,31.62); p = -10*log10((1+ (31.5844 * (x.^2)) + (11.24*x*cos(pi)))./ (32.5844*(1 + (x.^2)))); % ...

25 jours ago | 0

| accepted

Legend in a "for loop"
Try : for ii=1:length(giri) figure(3); plot(m(indice_m_0:loc(ii)),psic_pos(ii,indice_m_0:loc(ii)),'DisplayName',['ii = ',num2...

25 jours ago | 1

How can i return a value based on mutliple fields?
Try: id = find(N2.Components(:,1) == 290 & N2.Components(:,2) == 296); PowerConsequences_out = N2.PowerConsequences(id); ICTC...

25 jours ago | 0

| accepted

Sub function error within main function
Try: function volSAtsa(l , w, h) vol = volume (l, w, h); [a1, a2, a3] = sides(l, w , h); tsa = total(a1 , a2 , a3); out(vol...

26 jours ago | 0

How can I make the numbers count horizontal instead of vertical?
Try a = input('What is the size of the square array? (Enter one number): ','s'); sq = str2num(a); elements = 0; for x = 1:sq...

26 jours ago | 0

| accepted

Plotting daily mean values of temperature
Assuming there are no leap years in this period of time, I think you have a vector of dimesion (35040x1) (2samples*24hrs*365days...

26 jours ago | 0

In an assignment A(I) = B, the number of elements in B and I must be the same.
Your: A(17:240) % is a vector of 224 elements ((240-17+1)x1) while B % is a vector of 18 elements (18x1) that's why you are...

28 jours ago | 0

| accepted

how to modify input-output script to show how many line were copied.
Try: ifn = input( 'input file name: ', 's' ); ofn = input('output file name: ', 's' ); ih = fopen( ifn, 'r' ); oh = fopen(...

28 jours ago | 0

| accepted

Surface area of sphere integral form
Limits should be [0, pi/2] & fun should be sin fun = @(theta) sin(theta); S = 4*pi*R^2*(integral(fun,theta_1,theta_2/2)); % t...

28 jours ago | 0

How to extract Month string from day_Month_Year time variable and create a new quarterly time index?
If I understand the question correctly, this should work : Month_variable = datestr(datenum('Oct_01_2019'),'mm'); I hope it he...

29 jours ago | 0

| accepted

problem in running time of my project
I changed one simple thing, it was working more efficiently for me: clc clear; tic; Input = [ 5 12 0.02 4 ...

29 jours ago | 0

| accepted

How can I format a large cell of data into one big column underneath a (predeclared) title?
Try this: my_storage = titles; %foo, bar, fubar header titles my_storage_mat = [transpose(theS...

29 jours ago | 0

| accepted

How do I delete multiple elements from a column array using a while loop?
This should do the job: A = [1 0 1 0 1 0 1 0]'; A(A==0) = []

30 jours ago | 1

How do I create a matrix surrounding the center element?
Try: n = 5; A = zeros(n); [r,c] = find(A==0); sub = [r,c]-(n+1)/2; for i = 1:(n-1)/2 ind = find((sub(:,1)==-i&sub(:,2)>=-i...

environ un mois ago | 1

| accepted

a zero finding function
Hint: (for small x). You can rewrite the equation . I think rest you can solve using linear algebra.

environ un mois ago | 0

How can i solve?
Below code worked for me : rng default tsim = 0:0.002:10; % simulation time Amp = {-7,-5,-3,-1,1,3,5,7}; % Amplitudes dt = 0...

environ un mois ago | 0

| accepted

How can I move through an array and a vector that need to be compared?
My undersanding for the question. For example you have a coordinates of 4 test planes (X) & coordinate for a separate referenc...

environ un mois ago | 0

Summation of vectors: use of sum function in loop
I think Newvalue=(1/t)*sqrt(Value); should be outside the for loop : vector=[1;2;3;4;5;6]; vectortwo=[1;3;4;5;6;8]; s=leng...

environ un mois ago | 1

| accepted

Converting a string to datenum format
Try: DateString = '2011-08-31T21:16:01.948Z'; RepExp = '[a-zA-Z]'; % want to replace any alphabet, indicated by [a-zA-Z] RepS...

environ un mois ago | 0

Problem with computing integral of a function
Using some info from this question, which you have posted again. My understanding is that you want to calculate Phi at each n & ...

environ un mois ago | 0

How to get text file from char
Try : clc; clear; tic fid = fopen('myFile.txt','w'); % open text file b = sprintf('0123456789'); d = 0; T = char; for ii...

environ un mois ago | 0

How to write a LOOP for this case?
I think this is the continuation of this question. So, once you create struture as mentioned in the above answer, you can use:...

environ un mois ago | 1

How to exclude some additional points from plot legend?
You can assign plot to different variables and when you use legend only use handles of the assigned variables. For e.g. figure(...

environ un mois ago | 0