Shubham Gupta
Last seen: Today
284 total contributions since 2017Shubham Gupta's Badges
Contribute at least one answer each month for 3 consecutive months
Awarded to Shubham Gupta on 03 Nov 2019
20 of your answers have been accepted
Awarded to Shubham Gupta on 25 Sep 2019
Solve all the problems in CUP Challenge
Awarded to Shubham Gupta on 07 Jan 2019
Provide your first answer ever to someone else's question
Awarded to Shubham Gupta on 07 Dec 2018
Accept 1 answer given by other contributors
Awarded to Shubham Gupta on 07 Dec 2018
Solve all the problems in Magic Numbers II
Awarded to Shubham Gupta on 29 Nov 2018
Solve all the problems in Sequences & Series I
Awarded to Shubham Gupta on 02 Nov 2018
Solve all the problems in Cody5:Easy
Awarded to Shubham Gupta on 16 Jan 2018
Solve a problem for the first time
Awarded to Shubham Gupta on 13 Dec 2017
Question
Function browser is empty
In MATLAB command window, one should be able to access Function Browser to quickly see the syntax for a particular function. To ...
2 months ago | 0 answers | 0
0
answersDatenum 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...
10 months 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 ...
10 months 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...
11 months 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
11 months 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 ...
11 months 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...
11 months 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)))); % ...
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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(...
11 months 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...
11 months 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...
11 months 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 ...
11 months 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...
11 months 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) = []
11 months 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...
11 months 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.
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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 & ...
11 months 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...
11 months 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:...
11 months 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(...
11 months ago | 0
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