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Hiro Yoshino


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MathWorks

80 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

  • Knowledgeable Level 3
  • Revival Level 2
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How can i distribute plot markers normally?
Whad do you mean by normally?

약 7시간 전 | 0

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Nonlinear data-fitting
I just wonder if this is a linear model? (1) Is b a coefficient vector? (2) Do you need to estimate "a" too? if (1) yes, (2...

약 13시간 전 | 0

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I can not use randomAffine2d function in matlab R2019a. How can I import to matlab?
If you go to the bottom of the page (https://www.mathworks.com/help/images/ref/randomaffine2d.html?requestedDomain=), you can ...

약 13시간 전 | 0

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書き方がわかりません
まずこちらから https://jp.mathworks.com/help/matlab/matlab_prog/conditional-statements.html どうぞ!

1일 전 | 0

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Formation of higher dimensional subspace clusters
I can be your help though, I don't quite get you. Let me ask you: do you have a good understanding on DBSCAN in the first place...

1일 전 | 0

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イメージのセグメンテーションの色別での要素検出についてです
こちらをご覧ください https://jp.mathworks.com/help/matlab/creating_plots/image-types.html 1, 2, 3でR, G, Bに対応しています。

1일 전 | 0

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stem plots outside axes area?
Please show your code for me!

1일 전 | 0

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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: ...

12일 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...

12일 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?

12일 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...

13일 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...

13일 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) = [...

13일 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.

13일 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...

14일 전 | 0

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指定したそれぞれの区間ごとで,グループ番号毎の総和を算出する
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....

19일 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"); ...

19일 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?

19일 전 | 0

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How to fit data into pre-determined clusters?
How about reading this?: https://www.mathworks.com/help/stats/kmeans.html?searchHighlight=kmeans&s_tid=doc_srchtitle I dont re...

20일 전 | 0

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combining two neural networks in one bigger network
How about this?: https://www.mathworks.com/matlabcentral/answers/497749-avoid-training-certain-neurons#answer_407422?s_tid=prof...

20일 전 | 0

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残差二乗和
(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。...

20일 전 | 1

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画像判別の交差検証について
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...

20일 전 | 0

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画像判別の交差検証について
画像であろうが、あやめデータであろうが、全て「数字」を扱います。 画像だから特別な扱いがあるわけでは有りません。そのあたりの理解は大丈夫ですか? 画像をあやめデータと同じデータフォーマットに揃えてあげれば、cvpartitionでできます。もっと言...

20일 전 | 0

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画像判別の交差検証について
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…

20일 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...

21일 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.

21일 전 | 0

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画像判別の交差検証について
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...

21일 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。

21일 전 | 0

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CAM/Grad-CAMといった判別の可視化について
https://jp.mathworks.com/help/deeplearning/ug/gradcam-explains-why.html?searchHighlight=grad%20cam&s_tid=doc_srchtitle こちらのリンク先...

21일 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...

21일 전 | 1

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