Published

Summing and Multiplying NaNs: Use cases???
Contents nancumsum() , nancumprod() My Questions For your consideration nancumsum() , nancumprod() This week, instead of...

8 years ago

Published

Stateflow sliding mode controller demo
Will‘s pick this week is Stateflow sliding mode controller demo by Bogumila & Zbigniew Mrozek. I always enjoy a good...

8 years ago

Answered
InputParser - problem with keepUnmatched
The KeepUnmatched property is for optional parameter-value inputs, not for the required inputs. As Walter mentioned, for this to...

8 years ago | 0

Answered
How can i get matlab R2007b 64Bit compilers
If you are on a 64-bit machine, MATLAB Compiler will create a 64-bit *.dll. So install MATLAB (+ MATLAB Compiler) on a 64-bit ma...

8 years ago | 0

Answered
Readtable extremely slow when excel file has formatting
Have you tried setting the <https://www.mathworks.com/help/matlab/ref/readtable.html#input_argument_d0e847323 "basic" property> ...

8 years ago | 2

Published

Trace your calls (to your methods)
Jiro‘s pick this week is tracer4m by per isakson.I teach a training course on “Object-Oriented Programming (OOP) with...

8 years ago

Answered
dlmwrite関数で列ベクトルをテキスト出力する際、列サイズが大きいと途中で改行されてしまう。
出力された txt ファイルをどのように確認してますか？Windowsのメモ帳だと恐らく表示する幅に限度があるみたいです。 <</matlabcentral/answers/uploaded_files/85140/notepad.png>> ...

8 years ago | 0

Answered
arrayfun() mistakes a vector optimization parameter for a scalar optimization parameter
Isnt't it because you are passing in "1" (scalar) as the initial guess to |fminsearch|? Perhaps you can pass in a 1x413 vector o...

9 years ago | 0

Published

Impressionism
Sean‘s pick this week is impressionism by David Mills. My pick this week is a fun one that takes your images and transforms...

9 years ago

Answered
How to extract image pixel region by image index value ?
im_region = im(id1:id2,id3:id4);

9 years ago | 0

Answered
x軸の値を表記転換するには？
新しい質問に対して回答します。 1. データ番号を100（正確には101 : MATLAB は１から数えるため）から15刻みで表記。 |plot| コマンドの前にｘ軸となるベクトルを定義すればできます。 % まず 0 ～ 511 まで...

9 years ago | 2

| accepted

Solved

Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

9 years ago

Solved

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

9 years ago

Answered
Manipulating strings defined with the new double quote option
Read up on the documentation on "strings". <https://www.mathworks.com/help/matlab/matlab_prog/create-string-arrays.html Creat...

9 years ago | 7

Answered
値の変動を色で表現するグラフの作成方法
色スケールは |surface| コマンドで無理やり作ってみました。例として既定のカラーマップ（parula）を使用しましたが、実際のスケール（1が赤で-1が青、その間は？）が分かれば簡単に変更できると思います。 % データ定義 x = 0...

9 years ago | 3

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Published

Real-Time Pacer for Simulink
Sean‘s pick this week is Real-Time Pacer for Simulink by Gautam Vallabha. Contents Slow Down! Speed Up! Comments Slow...

9 years ago

Answered
日付のかけ離れた折れ線グラフを同じx軸上にプロットし、離れている区間は省略してプロットしたい。
既存の機能としてはないと思いますのでグラフのカスタマイズをうまく活用するのがよいでしょう。Michio さんの方法も一つですが、他の案として二つ別々の軸を作成して、隣同士に配置するというのはどうでしょう。 % x軸のデータは xData1 xDa...

9 years ago | 4

Answered
フーリエ解析を使用した周波数解析について
正弦波は sin(2*pi*f*t) なので定義は以下のようになるのではないでしょうか。 sinwave1 = sin(2*pi*0.5*model_timestep1); sinwave2 = sin(2*pi*1*model_times...

9 years ago | 2

| accepted

Answered
waveletを使用した低周波の解析について
Wavelet についてそれほど詳しくはないのですが、ざっとコードを拝見してて気づいたのですが、 |fa| の定義が fa = 0.1:1; だと 0.1 Hz しか定義されません。 fa = 0.1:0.1:1; にすると...

9 years ago | 2

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Published

Extract text from PDF documents
Jiro‘s pick this week is “Read text from a PDF document” by Derek Wood.Ah, this is a nice entry. I was hoping for...

9 years ago

Answered
MATLAB(あるいはSimulink)とProcessingの間でのリアルタイムのデータの渡し方について
同じPC内の二つのプロセス通信だと COM や TCP/IP などが考えられます。また、MATLAB には様々な言語から呼べるインターフェイスがありますので、もしかしたら Processing が Java ベースなのでしたら Java 用 AP Iが使え...

9 years ago | 3

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Published

What are the functional inputs and outputs of my Simulink model?
Greg’s pick this week is Signature Tool by McSCert. Simulink enables you to layout rather large and diverse diagrams. For...

9 years ago

Published

Fidget Spinner
Sean‘s pick this week is Fidget Spinner (Simscape Multibody) by Pavel Roslovets. It wasn’t even a couple months ago that...

9 years ago

Answered
ある2値画像に白い線を引いて保存したいのですができません．
|Figure| の <https://jp.mathworks.com/help/matlab/ref/figure-properties.html#property_d0e267493 |InvertHardCopy|> プロパティを変更すればうまく行...

9 years ago | 1

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Published

Classifying old Japanese characters using CNN
Jiro‘s pick this week is CNN for Old Japanese Character Classification by one of my colleagues Akira Agata.Nowadays, I...

9 years ago

Published

Source Control Information Block
Richard is Consulting Engineer at MathWorks focused on the Embedded Coder product for code generation, primarily in the...

9 years ago

Published

Catstruct
Sean‘s pick this week is catstruct by Jos (10584). Have you ever had two structures and wanted to combine them into...

9 years ago

Published

Launch and manage external processes from MATLAB
Jiro‘s pick this week is Process Manager by Brian Lau.With MATLAB being able to interface with other languages and...

9 years ago

Published

Deep Learning Tutorial Series
Our guest post this week is written by Johanna: her pick of the week is a new Deep Learning Tutorial Series. This post is...

9 years ago

Published

Cell2Underlying
Sean‘s pick this week is cell2underlying by MathWorks Parallel Computing Toolbox Team. Contents Datastores Tall...

9 years ago