Community Profile

photo

Shubham Gupta


244 total contributions since 2017

Contact

Shubham Gupta's Badges

  • Knowledgeable Level 3
  • CUP Challenge Master
  • First Answer
  • Thankful Level 1
  • Magic Numbers II Master
  • Sequences And Series I Master
  • Cody5 Easy Master
  • Solver

View details...

Contributions in
View by

Answered
How to turn scatterplot labels on and off using uicontrol
Try the following method (it might work for you but there are some limitations) : x = rand(1,100); y = rand(1,100); pointsize =...

3 Tage ago | 0

Answered
Why is matlab giving me a a very small number when the answer should be EXACTLY zero?
It must be something to do with the limitation of matrix multiplication and the computing error comes with the this type of mult...

4 Tage ago | 0

Answered
Create a new array on the basis of another array
Try: A = 100-V; A(A == max(A)) = 100;

5 Tage ago | 0

| accepted

Answered
how to delete cell rows ?
One of the way to do: cell_sizes = cellfun(@size,QDSCD,'UniformOutput',false); cell_sizes = vertcat(cell_sizes{:}); ind = fi...

5 Tage ago | 0

| accepted

Answered
wirte in excel sheet.
So, in order to change row as you change the q, you have to change the range dynamically. row_num = 1; % you can change that u...

9 Tage ago | 0

Answered
Changing the For LOOP conditions
One of the way to do this is define the for loop conditions using predefined vectors. You can write vector to set how the for l...

9 Tage ago | 0

| accepted

Answered
How to enter subscripts in matlab? for a loop
Simply shift your indeces by 1 i.e. x0 becomes x1, x1 becomes x2 and so on. N = 500; x = zeros(N+1,1); x0 = 1; x(0+1) = x0;...

10 Tage ago | 0

Solved


Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

15 Tage ago

Solved


Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

15 Tage ago

Solved


Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

15 Tage ago

Solved


sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

15 Tage ago

Solved


05 - Vector Equations 3
Define the vector _dVec_: <<http://samle.dk/STTBDP/Assignment1_2d.png>> (Logarithmically spaced numbers between 1 and 10) ...

15 Tage ago

Solved


Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

15 Tage ago

Solved


07 - Common functions and indexing 3
Define _eMat_: <<http://samle.dk/STTBDP/Assignment1_3e.png>> Create the variable _eMat2_, which is equal to _eMat_ with th...

15 Tage ago

Solved


Box!
Given a box, find the volume of the cube. With each side = a.

15 Tage ago

Solved


Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

15 Tage ago

Solved


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

15 Tage ago

Answered
Array indices must be positive integers or logical values.
y(0) = 1; % y(i) = k; i must be a natural number Not allowed in MATLAB. Instead write y(1) = 1;

15 Tage ago | 0

| accepted

Answered
Why does my function keep returning zero?
Replace K1 = A1*exp(-(E1/R*T)); by K1 = A1*exp(-(E1/(R*T))); ans subsequently for K2 & K3 too.

16 Tage ago | 0

| accepted

Answered
How to find acceleration from velocity and time data ?
Assuming you have exported velocity data from the csv file using xlsread or something and saved it in a variable, say, 'vel'. To...

16 Tage ago | 1

Answered
How can I write data to excel without overwrite data that already in the excel ?
To write in the empty rows, you have to specify that to xlswrite. So, either you know the row number beforehand and use that 'xl...

16 Tage ago | 1

| accepted

Answered
What's wrong with my for loop?
You don't need final 2 lines inside the 'for' loop to update 't'. t is automatically updated because of 'for' loop statement. ...

16 Tage ago | 0

Answered
Find empty cells in 3D cell?
Try this: [r,c] = find(cellfun(@isempty,channelResp)); [nR,nC,nD] = size(channelResp); Dep = floor(c/nC-0.0001)+1; Col = c -...

16 Tage ago | 0

| accepted

Answered
How to do function shift in MATLAB?
Try: function [ func_up ] = FuncShift( func, shift ) func_up = @(x)(func(x)+shift); end

17 Tage ago | 0

Answered
\graphing witth multiple functions
Try : a = gca; hold on plot(a.XLim,[560, 560],'m--') % plots horizontal line at y = 560 To find the intersection point at y ...

17 Tage ago | 0

| accepted

Answered
How to find the nth is the higher than and closest to 0.3
One of the several ways: A=[5 56 6.1 0.29 0.32 15 ]; [vec,ind] = sort(A); id = find(vec>0.3,1); rqd_value = vec(id) % Requi...

17 Tage ago | 0

Answered
Plotting multiple 3D plots on one graph
Try : figure (4) grid on hold on % Hold position should be at the start of plotting to overlap plots plot3(cm_willans,pma_14...

17 Tage ago | 0

| accepted

Answered
Specifying the colour of a scatter plot
Try: scatter (x, y, 'filled', 'MarkerEdgeColor',[255, 66, 0]/255, 'MarkerFaceColor',[255, 66, 0]/255); to change tick labels f...

19 Tage ago | 0

| accepted

Answered
How to convert time domain to frequency domain
Replace the following line : subplot(2,1,4);plot(t,z); figure; by the following code nfft = length(y); f = (0:1/nfft:1-1/nf...

19 Tage ago | 0

| accepted

Answered
Code following function?
Try this: z = zeros(size(y)); z(y>0) = 1; z(y<0) = -1;

20 Tage ago | 1

| accepted

Load more