Community Profile

# Hiro Yoshino

### MathWorks

73 2019 이후 총 참여 횟수

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

#### Hiro Yoshino's 배지

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How to make predictions using an already-trained LSTM model?
I took a look at your script. in the line 131, you actually update the network together with getting the prediction out of it: ...

7일 전 | 0

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how to plot psd versus frequency
[pxx, w] = periodogram(xx); gives you the PSD (pxx) and the normalized frequency (w). If you are falimiar with the theory, you...

7일 전 | 0

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Matlab function trainNetwork doesn't generate training progress plot
How about running this script outside of the function? see what will happen?

7일 전 | 0

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How cal i paralle my source code its too long and take time to run?
if you have parallel computing toolbox, this must be the best option to take. https://www.mathworks.com/help/parallel-computing...

8일 전 | 0

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How do I get this to display the maximum value of an array?
You should use the built-in max function: https://www.mathworks.com/help/matlab/ref/max.html But if you really wanted it, it...

8일 전 | 0

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Mean of 3rd dimension
A = [1 2 3; 4 5 6; 7 8 9]; A(:,:,2) = [10 11 12; 13 14 15; 16 17 18]; A(:,:,3) = [19 20 21; 22 23 24; 25 26 27]; A(:,:,3) = [...

8일 전 | 0

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what is wrong with this code
if abs((x(i+1)-x(i)))<=0.00000001 This condition is less likely to be met ... I think.

8일 전 | 0

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how to make a boxplot of z(x)?
check up how to use the function: https://www.mathworks.com/help/stats/boxplot.html?requestedDomain= boxplot(temperature, heig...

8일 전 | 0

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T.Lengthがゼロではないインデックスを抽出して、区間を限定しながら、上記の手法をやってみてはどうでしょうか？ ループか何かで回しながらやると良いのかな？と思います。私なら… idx_Length_exist = find(strlength(T....

14일 전 | 0

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How to match two matrices based on two keys?
You should read this first of all. The script below worked for me where "DOY" and "UT" were used as keys: load("matlab.mat"); ...

14일 전 | 0

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Can I have an explanation why my graph is plotting in a weird way?
Looks like you're having some missing data, "NaN". Why don't you try checking your data first?

14일 전 | 0

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How to fit data into pre-determined clusters?

14일 전 | 0

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combining two neural networks in one bigger network

14일 전 | 0

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(x, y)データが入ったtableデータを用意します (variable name は x, yとかにします) linear_model = fitlm(table, "y~x"); plot(linear_model) で直線がピッと引かれます。...

14일 전 | 1

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いくつか誤解があるようなので、ご助言差し上げます。 (1) まず、画像も数字データです！行列的な形で数字が入っているので、それをベクトルっぽくすればあやめデータのようになります。まず、そのあたりのデータの感じをご自身の目で見て確認すると良いかなと思い...

15일 전 | 0

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15일 전 | 0

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あやめデータと同じデータフォーマット（テーブル型）にして、cvpartitionすれば良いのでは？ すみません、疑問点があまり理解できていません…

15일 전 | 0

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Data import from excel file with timestamp
Do you like GUI? How about using "import data" button from the ribbon. You can import your file via GUI as shown below: Y...

15일 전 | 0

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Why are some characters chopped off on the bottom in plots?
figure; plot([0,1],[0,1],[0,1],[0,1]) set(gca,'fontsize',18) legend('nissio', 'pop.'); Mine did work well with R2019b.

15일 전 | 0

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ディープラーニングの場合はあまりやることは有りません。 基本的にデータ数が少ない場合に過学習を抑える目的でやります。DLはデータがそもそも大量に必要なのであまり必要がないのと、確率的勾配法アルゴリズムは言ってみれば、毎回違うデータで学習をやっているような...

16일 전 | 2

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dicomの読み込みについて
https://jp.mathworks.com/help/images/ref/im2single.html このあたりが参考になるかと思います。

16일 전 | 0

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16일 전 | 1

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Image Classification Using SVM Classifer
It is hard for you to tell if the features you extracted are good or bad. ML algorithms will tell you. Generally speaking, De...

16일 전 | 1

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How to remove the previous installation of MATLAB mac
What I did last week was just throw it into the bin. It worked.

16일 전 | 0

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FINDING FREQUENCY FROM FFT PLOT
Try this?: % P fft power % F fft frequency idx = (P == PowerThreshold); % detect the indices of the power that match the thre...

16일 전 | 0

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Documentationの下の方にネタ元が書いてあります。 MathWorks Documentation

16일 전 | 2

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How to do average of different arrays of a matrix?
Stephen Cobeldick is right. Try this: % X --> 3490 x 63 matrix X = reshape(X, 5, 63, 698); X = mean(X); X = reshape(X, 698,...

16일 전 | 0

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Matrix operator error in matlab2019a
As it said, have you tried this one?: To perform elementwise multiplication, use '.*'. Imagine that you want to multiply/dev...

16일 전 | 0

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How to calculate double integral of a circular area?
You may want to use the indices: radius = 0.5; idx = sqrt(X.^2+Y.^2) < radius; This way, you can extract the elements of A ...

17일 전 | 0

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Why is different rng(1) rng(2) rng(3) in K means clustering?
Yes, you are correct. Seed is a general terminology in computational sciences - https://en.wikipedia.org/wiki/Random_seed

18일 전 | 0