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Dyuman Joshi


Last seen: 1 jour il y a Actif depuis 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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A répondu
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)

environ 15 heures il y a | 1

| A accepté

A répondu
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...

environ 17 heures il y a | 0

A répondu
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...

environ 20 heures il y a | 1

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

environ 21 heures il y a | 1

A répondu
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 ...

environ 21 heures il y a | 0

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A répondu
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...

environ 22 heures il y a | 2

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A répondu
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...

1 jour il y a | 1

A répondu
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()...

1 jour il y a | 0

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A répondu
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, [...

1 jour il y a | 0

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A répondu
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...

2 jours il y a | 0

A répondu
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 ...

2 jours il y a | 0

A répondu
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...

3 jours il y a | 0

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A répondu
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)

4 jours il y a | 0

| A accepté

A répondu
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...

4 jours il y a | 1

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

4 jours il y a | 1

A répondu
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/...

4 jours il y a | 0

A répondu
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)

4 jours il y a | 0

| A accepté

A répondu
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...

4 jours il y a | 0

A répondu
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, ...

4 jours il y a | 0

| A accepté

A répondu
How can I convert indices into a binary matrix?
ItemSet = readmatrix('Test.txt','NumHeaderLines',0) tic s = size(ItemSet); %corresponding row values row = repelem((1:s(1)...

5 jours il y a | 1

| A accepté

A répondu
If command does not work correctly.
Welcome to the world of floating point numbers, where not all numbers can be represented exactly in binary form. 0.234 is not e...

5 jours il y a | 1

A répondu
how to plot two m.file in one plot
Call both the PDEs in a new script/function and plot accordingly.

5 jours il y a | 0

| A accepté

A répondu
Why do I receive "To use the software again, Renew Software Maintenance Service" message, since I have academic license?
It would be best to contact your university IT admin for this.

5 jours il y a | 1

A répondu
Using only ‘stepfun’ in MATLAB, please perform mathematical operations to produce the following output
stepfun is obsolete now, and there is no documentation available for it. The only reference you will get is using help - help...

5 jours il y a | 0

A répondu
How to convert one column from string to datetime
If you are using R2018b or a later version, you can use convertvars - %Random data for example ABC = table(rand(5,1), {'2014-...

5 jours il y a | 0

| A accepté

A répondu
Why does this function not work for decimals?
The formula you have used is incorrect. Refer to this webpage for (the taylor) expansion of arc tan for different values - http...

5 jours il y a | 0

A répondu
Extract a specific range of rows from an excel file using opts = detectImportOptions(filename)
Specify the data range to be read using the 'Range' option - opts = detectImportOptions('tempDataTrollhFlygpl.xlsx', ... ...

6 jours il y a | 0

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A répondu
Dealing data with text and numerical in .txt file
%display the contents of the file type data.txt %read the file fID = fopen('data.txt') %read the data in the given format - ...

6 jours il y a | 0

A répondu
User input in a struct
Use the variable name in the call to struct() i.e. without the apostrophes. MotorType = input('Enter IDM for induction motor ...

7 jours il y a | 0

A répondu
find関数について
Welcome to the world of floating point numbers, where not all numbers can be represented exactly in binary form. See this threa...

7 jours il y a | 3

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