Community Profile

# Dyuman Joshi

Last seen: Today Active since 2012

Mechanical Engineer IITG'20 Time zone - GMT +5.30 (IST)

Programming Languages:
Python, MATLAB
Spoken Languages:
English, Hindi
Pronouns:
He/him
Professional Interests:
Fluid Dynamics, Aerospace Engineering, Aerodynamics, Computational Fluid Dynamics (CFD)

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how to download & install cvx_begin toolbox

7 hours ago | 0

trying to write complex equation with parentheses
You were missing a pair of parenthesis - syms gamma M k = gamma; Ma = M; % ...

14 hours ago | 0

Solved

Orthogonalize a 2x2 matrix using the Gram-Schmidt process
Use the Gram-Schmidt process to orthogonalize two linearly independent column vectors. Return two output column vectors that are...

2 days ago

Solved

Orthogonalize 3 column vectors using the Gram-Schmidt process
Use the Gram-Schmidt process to orthogonalize three linearly independent column vectors. Return three output column vectors that...

2 days ago

%Random data for example in = randi(11, 1, 10) out = discretize(in, 0:11, [1 2 2 2 2 3 4 3 4 3 4], 'IncludedEdge', 'right')

2 days ago | 2

Solved

Update course numbers and abbreviations
Suppose that the educational institution where you teach purchases new software to handle many essential functions, including co...

2 days ago

What is the fourth array element denotes (specified as NaN in code below) in the input to fcm function of matlab 2019?
From the documentation of fcm(), for the syntax [centers,U] = fcm(data,Nc,options) - "If any element of options is NaN, the defa...

3 days ago | 1

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How to define a for loop for given FINDPEAKS problem ?
Try this - n=3; B = [num2cell(A,1); cell(n,2)] for k=2:n [B{k,1}, L] = findpeaks(B{k-1,1}); B{k,2} = B{k-1,2}(L); ...

3 days ago | 1

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How to calculate and display electricity used in a month using fprintf?
I assume the value R is an integer. If it is not, use an appropriate indentifier instead of '%d' (Refer to the documentation pag...

4 days ago | 1

List of increasing integers
dim = [2 2 4 2 2 2 2 2 2 2 2 2] int = 1:sum(dim) out = mat2cell(int, 1, dim)

5 days ago | 1

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Saving all variables in a single file (ideally an excel file)
One option is to save all the variables in a workspace to a .mat file. On the Home tab, in the Variable section, click Save Wor...

5 days ago | 0

Generate a logarithmic regression of xlsdata and plot it
That is not how you access data inside Tables. Go through this for more information - Access Data in Tables %% Provide the file...

5 days ago | 2

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Plot coordinates of a tif image
Try specifying the 'CoordinateSystemType' as 'geographic'. https://in.mathworks.com/help/map/ref/readgeoraster.html#mw_d0892e...

5 days ago | 1

Why do I get Parse error ?
The left parenthesis is supposed to be after the '@' symbol - f = @(x) x +2 f(3) The general syntax is name_of_function ...

5 days ago | 0

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how to write sqrtroot power 7 ?
Use power, .^ and define a Function Handle - g = @(x) sqrt(14.*x - 7).^7 g(2) g(1/2) g([1/2 2]) I suggest you take the f...

5 days ago | 2

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matlab에서 적분을 하고 싶습니다.
Use fplot - syms x; expr = 150/(0.06009*x^2+9.607); F = int(expr) %call fplot for the expression F, for x values in the ran...

5 days ago | 1

Not auto change sec(x) to 1/cos(x)?
Unfortunately, that is not possible. The symbolic engine directly evaluates the function sec() to 1/cos() (and csc() to 1/sin()...

6 days ago | 0

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Separating data to 3 different groups according to specific range of number in a variable
Note - NaN values are not included in the grouping load('SNR_GPS.mat') data = SNR_GPS(~isnan(SNR_GPS)) k = discretize(data, [...

6 days ago | 0

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How to reorder columns and array elements based on an array?
"1) reorder the columns in my original 1000x20 dataset based on this array, so that e.g. the species that was 14th in the origin...

6 days ago | 0

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How to make a sequence of time and the corresponding data from a data set where time is not provided sequentially
Sort the time data, and use the indices obtained (2nd output of sort) to get the corresponding velocity and density values, and ...

6 days ago | 1

How to set the length of minortick? The minortick seems to change with the length setting of the tick.
"... what does the latter indicate?" From the documentation page of Axes properties - Tick mark length, specified as a two-el...

7 days ago | 0

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How can I multiply a row vector with each of two column vectors?
t = [1 2]; s = [(1:3)',(4:6)']; out = kron(s,t)

8 days ago | 0

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how to plot table to line graph with dots ?
Convert the data to double data type, and use indexing to plot the data (Reference for syntax - https://in.mathworks.com/help/ma...

8 days ago | 1

Plotting several plots of respective ranges from an excel file into one single plot
opts = detectImportOptions('tempDataTrollhFlygpl.xlsx', ... 'Range', 'A10', 'VariableNamingRule','preserve'); opts = setva...

8 days ago | 1

I am starting with Matlab online. can I use Stoichiometry Tools?
I assume you are referring to this particular function provided in this FEX submission - https://in.mathworks.com/matlabcentral/...

8 days ago | 0

Changing names of excl files automatically and converting into cell array
If you want to rename the file when the file name is a number only, then the condition should be - if ~isnan(num)

8 days ago | 0

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vectorized operations on symbolic functions
Better to use a function handle - x = rand(500,3); y = @(x) x(:,1).^3/3 + x(:,2).^2/2 - x(:,3); out1 = y(x) For more info...

8 days ago | 0

How to filter a table with a date field
You can directly compare dates and use logical indexing to get the corresponding data - %date to compare dt = datetime(2014, ...

9 days ago | 0

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