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Hiro Yoshino


Last seen: Today

MathWorks

114 total contributions since 2019

DISCLAIMER: Any pieces of advice or opinions posted here are of my own, and in no way reflect that of MathWorks.

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Answered
2nd Order ODE by ode45
You can walk through this: https://www.mathworks.com/help/matlab/ref/ode45.html I guess this is what you work on - read, under...

1 dag ago | 0

Answered
FFT to covert time domain to frequency domain
Take a look at this page: https://www.mathworks.com/help/matlab/ref/fft.html where you can find some examples that you can uti...

1 dag ago | 0

Answered
Newton-Raphson iteration method in Matrices
I had a quick look though ... you are having lots of errors. MATLAB has a fantastic bug finder as you can see. The areas hi...

1 dag ago | 0

| accepted

Answered
RSA keys generation using matlab
Hope this helps you: https://www.mathworks.com/matlabcentral/fileexchange/53457-rsa-public-key-encryption-and-signing-32bit

1 dag ago | 0

Answered
Index position 2 exceeds array bounds
I had a look at it quickly - you were obviously failing in importing the pressure and the flowrate. xlsread(filename, 3, hRange...

1 dag ago | 0

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Answered
How do I make my variables save from my function?
You're doing well! Try this: x = [1 1]; [f, grad, gradTwo] = Rosen(x) You should prepare the three variables that recieve t...

1 dag ago | 0

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Answered
Do we have the facility to create a network topology for cloud and fog environment in matlab
I am not an expert in this filed though I have ever introduced this product to a customer who wanted to model a rail network. h...

1 dag ago | 0

Answered
How to place a uicalendar inside a panel
How about using AppDesigner? There is a function available that looks able to meet your want. https://jp.mathworks.com/help/mat...

1 dag ago | 0

Answered
How can I take out months rows from each year.
I guess your date is not read as string. tableData = readtable('yourExcel.xlsx'); tableData.Time = string(tableData.Time); Th...

11 dagen ago | 0

Answered
How to position two figures on one app-designer gridlayout position?
app.UIAxes.Visible = 'off'; Try this. It worked with my app where a push botton call this line so it can disappear.

11 dagen ago | 0

Answered
Discretize countries into regions
One thought would be .... clustering algorithms. How about using geographical data (longitude and latitude) as an input vector ...

11 dagen ago | 0

Answered
how to derive 1D heat conduction
https://jp.mathworks.com/products/pde.html?s_tid=srchtitle PDE toolbox would help you out!

11 dagen ago | 0

Answered
How can I shade confidence intervals on a loglog plot?
x = -10:0.1:10; % between intersections yy1 =x.^2; %lower function yy2 = -(x.^2-16); % upper function x = [x,x]; % rep...

11 dagen ago | 0

Answered
How can I take out months rows from each year.
d = ['190101'; '190201'; '190301']; % sample data d_datetime = datetime(d, 'InputFormat', 'yyMMdd'); % change format to datet...

11 dagen ago | 1

Answered
Matlab: a function y where y is the 𝑛-th Chebyshev polynomial of the first kind evaluated at xy is the 𝑛-th Chebyshev polynomial of the first kind evaluated at xy is the 𝑛-th Chebyshev polynomial of the first k
https://jp.mathworks.com/matlabcentral/fileexchange/56566-chebyshev-polynomial I came across this but not sure if it works.

11 dagen ago | 0

Answered
Why matlab crashes when I try to use a numpy Python package? (2019a)
https://www.youtube.com/watch?v=aJGmnPfJBuo Have you ever tried this ? - calling MATLAB from the anaconda prompt?

14 dagen ago | 0

Answered
Why matlab crashes when I try to use a numpy Python package? (2019a)
Read the documentation for R2019a. You might have counted on the latest. It might be a cause of the problem. Sometimes, there...

15 dagen ago | 0

Answered
how to plot smooth line plot?
How about increasing the number of data by using interpolation?: https://jp.mathworks.com/help/matlab/ref/interp1.html?s_tid=do...

15 dagen ago | 0

Answered
Clustering based on threshold values.
There are various methods available:https://jp.mathworks.com/discovery/cluster-analysis.html

16 dagen ago | 0

Answered
Clustering based on threshold values.
Is this a question about how to classify the data based on threshold? if condition "classification description" else ...

16 dagen ago | 0

Answered
How to find rng No. of a trained network ?
You should have taken a note or fixed the seed number before the training. As far as I know, there is no ways to find out what ...

16 dagen ago | 1

Answered
MATLAB code for flood model
You should define your (mathematical expression) model first, then code follows. What kind of model do you want to convert into...

17 dagen ago | 1

Answered
Phase Shift between 0 and pi
I wonder if you have a good understanding on FFT :-) Remember that the signals are discrete and thus the m shift in the time do...

17 dagen ago | 0

Answered
How to train neural network using newff with a custom loss function?
Which version are you using? Looks like there is no such a function. This might be a help: https://www.mathworks.com/matlabcen...

17 dagen ago | 0

Answered
Fourier Transform: IFFT Not Giving Original Image -- All Values Off By Same Constant
Why not using fft2?: https://jp.mathworks.com/help/matlab/ref/fft2.html I would say it is educational to write it from scratch...

17 dagen ago | 0

Answered
Creating a simple 2D contour plot from data files(xlsx or txt).
Here the function for 'contour': https://jp.mathworks.com/help/matlab/ref/contour.html?s_tid=doc_ta Give me detail if possib...

17 dagen ago | 0

Answered
How do I find if a value exists already in cell array's column, and then select the column & row to store some output data based on whether its existing or new?
There are many useful functions for preprocessing the data: https://jp.mathworks.com/help/matlab/preprocessing-data.html?s_tid=...

17 dagen ago | 0

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Answered
Why matlab crashes when I try to use a numpy Python package? (2019a)
This might be useful: https://jp.mathworks.com/matlabcentral/answers/410406-import-numpy-to-matlab

17 dagen ago | 0

Answered
For Loop /Array question
How about this?: X = zeros(50, 50); [m, n] = size(X); % m x n = 50, 50 for i = 1:m % Row for j = 1:n % Column ...

17 dagen ago | 0

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