Dyuman Joshi
Mechanical Engineer IITG Time zone - GMT +5.30 (IST)
Programming Languages:
Python, MATLAB
Spoken Languages:
English, Hindi
Pronouns:
He/him
Professional Interests:
Fluid Dynamics, Aerospace Engineering, Computational Fluid Dynamics (CFD), Hydraulics and Pneumatics
Python, MATLAB
Spoken Languages:
English, Hindi
Pronouns:
He/him
Professional Interests:
Fluid Dynamics, Aerospace Engineering, Computational Fluid Dynamics (CFD), Hydraulics and Pneumatics
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How can I change the decimal separator when exporting to Excel?
Try - T = readmatrix('filename.format', 'DecimalSeparator',',');
How can I change the decimal separator when exporting to Excel?
Try - T = readmatrix('filename.format', 'DecimalSeparator',',');
約1時間 前 | 0
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How to get Bin Edges at specific Value point (Maximum value) in histogram.
load('Data.mat') H = histogram(DATA) %Get the index of the max value alongside [HMAX, idx] = max(H.Values,[],"all") %USe the...
How to get Bin Edges at specific Value point (Maximum value) in histogram.
load('Data.mat') H = histogram(DATA) %Get the index of the max value alongside [HMAX, idx] = max(H.Values,[],"all") %USe the...
約2時間 前 | 0
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Change specific colour in an image
The image is actually an indexed image with a colormap. Use the map to convert it to an rgb image via ind2rgb - %Read the file...
Change specific colour in an image
The image is actually an indexed image with a colormap. Use the map to convert it to an rgb image via ind2rgb - %Read the file...
約3時間 前 | 0
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xlabel do not appear in plot
Call the plot() command first and then define the labels and legend - syms x s u1 = stepfun(x,0); f1 = x.*exp(-3*x).*u1; ...
xlabel do not appear in plot
Call the plot() command first and then define the labels and legend - syms x s u1 = stepfun(x,0); f1 = x.*exp(-3*x).*u1; ...
約24時間 前 | 1
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Why does my ode45 return a solution with the first values as zero despite I supplying non-zero initial conditions?
"Why does my ode45 return a solution with the first values as zero despite I supplying non-zero initial conditions?" Because yo...
Why does my ode45 return a solution with the first values as zero despite I supplying non-zero initial conditions?
"Why does my ode45 return a solution with the first values as zero despite I supplying non-zero initial conditions?" Because yo...
1日 前 | 0
回答済み
How to make this type of variation plot in MATLAB
You are looking for errorbar.
How to make this type of variation plot in MATLAB
You are looking for errorbar.
2日 前 | 0
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Error using mesh - Z must be a matrix, not a scalar or vector, using mesh command
The difference between min(x1) and max(x1) is not 100, thus the vector x1fit generated via colon() is just min(x1). Consequently...
Error using mesh - Z must be a matrix, not a scalar or vector, using mesh command
The difference between min(x1) and max(x1) is not 100, thus the vector x1fit generated via colon() is just min(x1). Consequently...
2日 前 | 0
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How can I fix the warning and the error in parfor?
Why are you using parfor for this? Simply use a for loop - a = linspace(1,100,100); for i=1:10 for j=1:10 k = ...
How can I fix the warning and the error in parfor?
Why are you using parfor for this? Simply use a for loop - a = linspace(1,100,100); for i=1:10 for j=1:10 k = ...
2日 前 | 0
回答済み
Getting an error message when I use 'triangle()' function.
That help is for a Stateflow operator in SIMULINK (as mentioned in the 1st line), not for a function in MATLAB. help triangle ...
Getting an error message when I use 'triangle()' function.
That help is for a Stateflow operator in SIMULINK (as mentioned in the 1st line), not for a function in MATLAB. help triangle ...
4日 前 | 0
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I could not display all the legends related to the plotted bars
You get a single legend entry because there is only a single graphical object. If you want a separate legend for each bar, you ...
I could not display all the legends related to the plotted bars
You get a single legend entry because there is only a single graphical object. If you want a separate legend for each bar, you ...
4日 前 | 0
回答済み
Finding an angle in a trigonometric function using 2 equations
As you are solving for beta, you have to define beta as a symbolic variable. Also, I have reduced the step size in x, as the va...
Finding an angle in a trigonometric function using 2 equations
As you are solving for beta, you have to define beta as a symbolic variable. Also, I have reduced the step size in x, as the va...
5日 前 | 1
回答済み
error using preallocation for table using size option in R2023b
Use single quotation marks around the VariableTypes arguement instead of double quotation marks - % v ...
error using preallocation for table using size option in R2023b
Use single quotation marks around the VariableTypes arguement instead of double quotation marks - % v ...
5日 前 | 0
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converting 3d matrix into a cell array
@AT_HYZ, change the dimensions and use the above transformation - abc = rand(1001,259,259); %Shift dimensions Mymatrix = s...
converting 3d matrix into a cell array
@AT_HYZ, change the dimensions and use the above transformation - abc = rand(1001,259,259); %Shift dimensions Mymatrix = s...
6日 前 | 0
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Vector sliding average over different number of points
Here's a vectorized method - %number of points in each block Ns = [4 2 2 1 3 1 1 2 3 1 1 2 1 2 3 1]; %sum of these points = 3...
Vector sliding average over different number of points
Here's a vectorized method - %number of points in each block Ns = [4 2 2 1 3 1 1 2 3 1 1 2 1 2 3 1]; %sum of these points = 3...
8日 前 | 0
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Return the last time in a datetime column containing NaT
Your data is already a column, using 1 and end as indices on it will provide scalars (see the edit above). ReadSS = readtable('...
Return the last time in a datetime column containing NaT
Your data is already a column, using 1 and end as indices on it will provide scalars (see the edit above). ReadSS = readtable('...
9日 前 | 0
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How to split a 2xN matrix into multiple 2x2 matrices?
%Assuming N is a multiple of 2 y = randi(10, 2, 16) %Reshaping into 2x2 blocks y = reshape(y, 2, 2, []) z = y(:,:,1); for k...
How to split a 2xN matrix into multiple 2x2 matrices?
%Assuming N is a multiple of 2 y = randi(10, 2, 16) %Reshaping into 2x2 blocks y = reshape(y, 2, 2, []) z = y(:,:,1); for k...
9日 前 | 2
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How can I replace data on the axis to become u horizontal and y vertical?
Use - plot(u1,y,'-',u2,y,'--',u3,y,'-.',u4,y,':','LineWidth',2) Note the syntax for plotting x and y data using plot is - ...
How can I replace data on the axis to become u horizontal and y vertical?
Use - plot(u1,y,'-',u2,y,'--',u3,y,'-.',u4,y,':','LineWidth',2) Note the syntax for plotting x and y data using plot is - ...
10日 前 | 0
回答済み
Not able to plot a particular relation.
Remove all the "syms" call. They are not required.
Not able to plot a particular relation.
Remove all the "syms" call. They are not required.
10日 前 | 0
回答済み
How to export script to text file ?
export() does not support writing data into files. Use writematrix instead - a = "good"; b = "morning"; c = "babynumber"; ...
How to export script to text file ?
export() does not support writing data into files. Use writematrix instead - a = "good"; b = "morning"; c = "babynumber"; ...
12日 前 | 0
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Having issues with plotting and supposedly there is a size problem?
(I assume that you have written this code for an assignment, which requires the variable x to be of size [1 200], which should b...
Having issues with plotting and supposedly there is a size problem?
(I assume that you have written this code for an assignment, which requires the variable x to be of size [1 200], which should b...
12日 前 | 0
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Plot can no longer recognize my variable
Because there is no such variable named yModel before that plot() is called. You have made a typo, it should be yB_Model. Al...
Plot can no longer recognize my variable
Because there is no such variable named yModel before that plot() is called. You have made a typo, it should be yB_Model. Al...
20日 前 | 0
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how to generate random number
randi only generates integers. Use rand instead. rand() generates numbers in the range (0,1). Get the desired range by modifyin...
how to generate random number
randi only generates integers. Use rand instead. rand() generates numbers in the range (0,1). Get the desired range by modifyin...
20日 前 | 0
回答済み
Trouble with handling values in anti-diagonal of a square matrix
1 - Preallocate using ones() instead of zeros() and remove the else part. 2 - Update the condition for checking the anti-diagon...
Trouble with handling values in anti-diagonal of a square matrix
1 - Preallocate using ones() instead of zeros() and remove the else part. 2 - Update the condition for checking the anti-diagon...
20日 前 | 2
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回答済み
Plotting a function inside of another function with no outputs
Firstly, do not use built-in functions as names for variables (or scripts for that matter). You are using plot as a variable nam...
Plotting a function inside of another function with no outputs
Firstly, do not use built-in functions as names for variables (or scripts for that matter). You are using plot as a variable nam...
22日 前 | 1
回答済み
How can I integrate by using bessel function
You need to provide the integrand as a function handle, see here - https://in.mathworks.com/help/matlab/ref/integral.html#btbbkt...
How can I integrate by using bessel function
You need to provide the integrand as a function handle, see here - https://in.mathworks.com/help/matlab/ref/integral.html#btbbkt...
22日 前 | 0
回答済み
how to get multiple values of multiple columns from a single column?
Use logical indexing - Find Array Elements That Meet a Condition, for columns 2-100 (Assuming the value 40 occurs same number o...
how to get multiple values of multiple columns from a single column?
Use logical indexing - Find Array Elements That Meet a Condition, for columns 2-100 (Assuming the value 40 occurs same number o...
23日 前 | 0
回答済み
Making loop for a function 'xlsread'
Use readmatrix instead of the deprecated xlsread(). q = dir('Data/*.csv'); nfiles = numel(filenames); for k=1:nfiles %...
Making loop for a function 'xlsread'
Use readmatrix instead of the deprecated xlsread(). q = dir('Data/*.csv'); nfiles = numel(filenames); for k=1:nfiles %...
23日 前 | 2
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Solve is not providing correct solution
When you use vpa on symbolic numbers, you lose precision. When you convert the symbolic numbers to double precision values usi...
Solve is not providing correct solution
When you use vpa on symbolic numbers, you lose precision. When you convert the symbolic numbers to double precision values usi...
26日 前 | 1
回答済み
the matrix only works till days= 16 then when the days=17 or bigger the output is 0 on all the values in the matrix
In the default display format (i.e. short), the numbers are displayed with 4 digits after the decimal. Thus when the differenc...
the matrix only works till days= 16 then when the days=17 or bigger the output is 0 on all the values in the matrix
In the default display format (i.e. short), the numbers are displayed with 4 digits after the decimal. Thus when the differenc...
26日 前 | 0
回答済み
How to interpolate only NaN values with one hole?
fillmissing is a better fit here - %Note that the data you have provided is not valid %I have added another element to make i...
How to interpolate only NaN values with one hole?
fillmissing is a better fit here - %Note that the data you have provided is not valid %I have added another element to make i...
26日 前 | 2
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