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# SHUBHAM GUPTA

199 total contributions since 2017

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convert min, hours to 00:00:00 format
Use datestr() to convert number to time x = 15; if x>=60 out = datestr(x/24/60,'HH:MM:SS') else out = datestr(x/24...

27 days ago | 0

How to solve two differential equations using ode45
Are you sure, e1,e2,c1,c2 are time-variant and not constant ? If they are time-variant then there should be differential terms o...

1 month ago | 0

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How do I plot every 10th row of data?
One way to do this efficiently would be to scan the data inside the file at once (instead of doing it one by one in a loop) : ...

1 month ago | 0

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how do I insert a custom power curve?
Looks like a "1-D Lookup Table" block in simulink. For more details refer to following link : 1-D Lookup Table

1 month ago | 2

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How can I fill an array with varying input dimensions and data type change?
Try this: last_digit_vec = mod(Generator,10); v = {}; for i = 1:length(Generator) v = [v,eval(['mod',num2str(last_digit_...

2 months ago | 1

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how to use the row&column indices returned by find to control array element in matrix way
One of the way could be to use absolute indexing of X matrix : ind = find(X==1); ex(ind)=ex(ind)+0.5*(data(ind)-data(ind-je));...

2 months ago | 0

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check inside cell condition
Try this: for i = 1:length(AppleDECB) if ~ischar(AppleDECB{i}) % check if cell doesn't contain char continue; ...

2 months ago | 0

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Average range when value is reached
I assumed that you have test_data in a mat file, for this answer I am assuming the data stored in the variable named 'TestData'....

3 months ago | 1

why does sine curve not properly plotted in simulink
I reckon that you are using variable time step so when you increase your time, time step also increases. So, the curve is not as...

3 months ago | 0

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Finding Values nearest a certain number
If I understand it clearly your P(and d) is a row/column vector of length 4650 and you need to find 11 points which are closest ...

3 months ago | 0

How to show the legends of this plot?
You can change the order of plots to assign the legend as required. So, if you want leg1 to show 1st line then you should plot i...

3 months ago | 0

making a title using editable strings without stacking
In the code you have shown the second to last line as title([get(handles.Title_Input, 'String') get(handles.Y_Label_Input, 'Str...

3 months ago | 0

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Comparing arrays and calculating
Try this : for i = 1:length(A2) [Alh,im] = sort(A2); w1 = im(find(Alh>A1,1)); % The index for which the v...

4 months ago | 0

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Solved

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

5 months ago

Solved

Counting down
Create a vector that counts from 450 to 200 in increments of 10.

5 months ago

Solved

04 - Scalar Equations 1
Define the variable a: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> Use this to calculate x: <<http://samle.dk/STTBD...

5 months ago

Solved

Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

5 months ago

Solved

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

5 months ago

Solved

if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

5 months ago

Solved

Returning a "greater than" vector
Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...

5 months ago

Solved

Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

5 months ago

Solved

06 - Matrix Equations 3
Define the matrices _aMat_, _bMat_, and _cMat_: <<http://samle.dk/STTBDP/Assignment1_3a.png>> ( _aMat_ = 9x9 matrix full o...

5 months ago

Solved

Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

5 months ago

Solved

N-Cards Problem
You have a deck of _N_ cards numbered in order from 1 to _N_. You discard the top card (card 1) and place the next card (card 2)...

5 months ago

Solved

Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

5 months ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

5 months ago

Question

Replace matched values with a cell array keeping unmatched values unchanged
I have a string let's say A = '[0, 40, 50, 60, 80, 100, 140, 160, 200, 300]'; and another char array,...

5 months ago | 1 answer | 0

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How to fix the values of different histograms 2D to have the same color reference?
One way to do this is to use "colormapeditor". Type the following in command window : colormapeditor In the dialog box, you ca...

8 months ago | 0