Hiro

Last seen: 10 days ago

MathWorks

190 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
Tutorials on machine learning examples with given input files
Please go to the corresponding documentation page: https://www.mathworks.com/help/stats/examples.html?s_tid=CRUX_topnav You'll...

14 days ago | 1

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二つのdatetime時刻をコンマ7桁単位で取得した時の関数での相違点
コンピュータの中は2進数なので、表現できる数字とそうで無い数字があります。表現不可能な場合は近似するわけですが、MATLABの標準の double 型は　8byte のメモリを必要とします。従って、数値を近似した際に、浮動小数点の仮数部に使うことができ...

14 days ago | 0

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How to obtain the sum of series of a discrete-time signal?
Do you intend to use Symbolic Math Toolbox? In that case, you need to define your variables as follows: syms x y n before beg...

23 days ago | 0

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How to find best fit regression line for each of these data sets
You should take a look at this first: https://jp.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-ans...

2 months ago | 0

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How do I can build a MATLAB code to fit the following equation using least square sense ?
The dependes on how you want to fit your line to the data. e.g., then will be a series of stacked vertically upto the end...

2 months ago | 0

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Assertion error Matlab R202b
I am not sure what you're trying to do though, one of the most frequent mistakes peopel make is data type incompatibility. You...

2 months ago | 0

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Network Named Userライセンスと登録ユーザ数などについて
恐らくできないと思われます。そういう使い方をされたい（空いているライセンスがあったら他の人が使う) 場合、conncurent user license です。 Network Named はライセンスが空いている時に使えないと言う不便さが残る一方で...

2 months ago | 0

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Answered
for関数を使って時間帯ごとの該当行列を抽出することはできますか？
時間の情報を持った行列だと推察してお答えします。行列をtimetable型に変換すると、”時間”で該当する行列を抽出することができます。 timetable型対してtimerange関数が用意されています。 https://jp.mathworks...

2 months ago | 0

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ベクトルを教えてください
ベクトルの作成は問題無いと思いますのでスキップします。外積の計算、内積の計算等は　こちらにまとめがあります

2 months ago | 1

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Running two MATLAB scripts in parallel
It sound that "batch" function would suit your case. see: batch

2 months ago | 0

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Plotting a .txt with labels
Hit some "Data import" button by following MATLAB > HOME > Data Import > "select a.txt" using Data import App This way, you ca...

2 months ago | 0

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Extracting table from data structure
First thing you should do is check if S is a table variable. If it turns out to be a table variable, then the next thing would ...

2 months ago | 0

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reinforcement learning toolboxでの行動選択について、状態から選ばれる行動を制限することは可能でしょうか
現状では、探索方策をカスタマイズする方法があるようです。 https://www.mathworks.com/help/reinforcement-learning/ug/custom-agents.html 連続空間なので少し状況が異なるかと思います...

3 months ago | 0

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MATLAB homeライセンスの保守の料金
こちら、ご覧になると良いかと： https://jp.mathworks.com/store/faq#home

3 months ago | 0

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matrix manipulation - smoothen the data
replace the duplicated number with NaN or anything somehow. interpolate the data linearly for duplication unique function ma...

4 months ago | 0

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Deviation of the tracked position from the ground truth in Tracking
This may help you out: https://jp.mathworks.com/help/fusion/ug/introduction-to-tracking-metrics.html Introduction of Tracking ...

4 months ago | 1

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how to transform t_value to p_value ?
I did not walk through your script though, I would use t-distribution curve directly. tcdf function is what you are looking for...

4 months ago | 0

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Getting blank plots in matlab
figure; subplot(3,1,1); plot(th7,th6,'g','linewidth',2);grid xlabel('{ \theta_{7}} [deg]'); (th7, th6) is a point - try th...

5 months ago | 0

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Cross entropy error computation
I believe that can be easier: the function "classify" returns the label together with the probabilities for all the categories....

6 months ago | 0

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Forecast for Reactive Power (HELP PLEASE!!!)
It seems you just copied everything from the documentation and changed the input data. I am just wondering if the training opti...

6 months ago | 0

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How to solve this problem
This sounds similar to this issue. Can you download the file? if it possible you can install the downloaded file later on.

6 months ago | 0

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Filling in multidimensional array efficiently
repmat may solve your issue - check up the link: repmat function

6 months ago | 0

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Is it possible to run specific lines from a different script?
You need to make the script as function and add the directory of the script to your path as follows: addpath(genpath("different...

6 months ago | 0

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2D plote when x axis and y axis intersect at origin
Box on/off may work for you. https://jp.mathworks.com/help/matlab/ref/box.html

6 months ago | 0

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Really slow to open variables
R2020b has some updates. The most recent one was updates 3. You should update your MATLAB then see if it mitigates the problem....

6 months ago | 0

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Plot a 2D ,with accordance to the distance between the points
I hope I can give you some guide: s = A(:,1); t = A(:,2); weight = A(:,3); G = graph(s,t,weight); plot(G, 'EdgeLabel', G.Ed...

6 months ago | 0

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Who can I use GPU to speed up my Matlab code?
https://jp.mathworks.com/company/newsletters/articles/accelerating-matlab-algorithms-and-applications.html Please take a look a...

6 months ago | 0

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optimizing the steady state temperature of an MSMPR
I am not fully following your code but if you are using MATLAB R2020b (the latest), you should have "Task" in live editor. From...

6 months ago | 0

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How can I fix this iteration script
All you need is add one more restriction on the top of the "while" loop. it = 0; % Počet iterácií while max(abs(U-UU))>eps ||...

6 months ago | 0

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Calibrating the camera of smartphone
I suppose this one helps you out: https://jp.mathworks.com/help/vision/ug/single-camera-calibrator-app.html

6 months ago | 0