Published

The Matrix Lab Has You

Sean's pick this week is The Matrix lab has you by Mathworlds. I discovered this after reading...

4 months ago

Published

File Exchange Categories for your Valentine

Jiro's Pick this week is 2-axis CNC ILC cutting machine by Bartlomiej Ufnalski. This example is about a particular type...

4 months ago

Answered

How to calculate hourly average value for measured Temperature, CO2, RH and Rid in 5 minutes interval

Read it in as a timetable readtimetable then call retime which does exactly what you want. t = readtimetable('yourfile') fivem...

How to calculate hourly average value for measured Temperature, CO2, RH and Rid in 5 minutes interval

Read it in as a timetable readtimetable then call retime which does exactly what you want. t = readtimetable('yourfile') fivem...

4 months ago | 0

Answered

Motor control toolbox license

It doesn't look like it's avaiable - MATLAB Home - MATLAB & Simulink (mathworks.com) Click the see available products button. I...

Motor control toolbox license

It doesn't look like it's avaiable - MATLAB Home - MATLAB & Simulink (mathworks.com) Click the see available products button. I...

4 months ago | 0

| accepted

Published

Tracing the boundary of a binary region in an image

Brett's Pick this week is Freeman chain code, by Nicolas Douillet.ContentsA new file prompts a thought experimentFreeman...

4 months ago

Answered

How to add Python Libraries which are referenced in a Python routine

Are you sure the python environment (specified by pyenv) is numpy aware?

How to add Python Libraries which are referenced in a Python routine

Are you sure the python environment (specified by pyenv) is numpy aware?

4 months ago | 0

Answered

How to convert image .mat back to the mlreportgen.dom.Image object?

You'll need to write the image back to disk as the report generator needs to deserialize it from this format into the report. If...

How to convert image .mat back to the mlreportgen.dom.Image object?

You'll need to write the image back to disk as the report generator needs to deserialize it from this format into the report. If...

5 months ago | 0

| accepted

Answered

How can I use fmincon into the SPMD when the parameters of objective function differs from on workers to another?

Why not just use parfeval?

How can I use fmincon into the SPMD when the parameters of objective function differs from on workers to another?

Why not just use parfeval?

5 months ago | 1

Answered

Shrinking image by averaging

This works img = repmat(1:6,4,1) shrink = @(x)reshape(sum(reshape(sum(reshape(x,2,1,[])),size(x,1)/2,2,[]),2)./4,size(x,1)/2,[...

Shrinking image by averaging

This works img = repmat(1:6,4,1) shrink = @(x)reshape(sum(reshape(sum(reshape(x,2,1,[])),size(x,1)/2,2,[]),2)./4,size(x,1)/2,[...

5 months ago | 0

Published

Simulink Keyboard Input v2

Will's pick this week is Simulink Keyboard Input v2 by Emanuele Ruffaldi. I have streamed data into Simulink models from...

5 months ago

Answered

Function 'daysact' not supported for code generation.

You should use the newer and recommended datetime / duration classes which support c-codegen: d = days(datetime(t1)-datetime(t2...

Function 'daysact' not supported for code generation.

You should use the newer and recommended datetime / duration classes which support c-codegen: d = days(datetime(t1)-datetime(t2...

5 months ago | 0

Published

Convert your live scripts to markdown file

Jiro's Pick this week is Live Script-to-Markdown by Michio, one of my colleagues in MathWorks Japan.As you know, File...

5 months ago

Answered

Timer callback with alternating paths based upon which path was triggered before

You could use a simple persistent variable in your callback function to maintain state.

Timer callback with alternating paths based upon which path was triggered before

You could use a simple persistent variable in your callback function to maintain state.

6 months ago | 0

| accepted

Published

Leaf Pile 3D

Sean's pick this week is leafpile3d by Nathaniel Barlow and the extended version with drag by Chris Verhoek. ...

6 months ago

Answered

Manipulating PowerPoint Custom Document Properties Using ActiveX

You should strongly consider using the MATLAB Report Generator to generate the presentations. It lets you use existing template...

Manipulating PowerPoint Custom Document Properties Using ActiveX

You should strongly consider using the MATLAB Report Generator to generate the presentations. It lets you use existing template...

6 months ago | 0

Published

Aircraft Intuitive Design

Richard is a Consulting Engineer at MathWorks focused on the Embedded Coder product for code generation,...

6 months ago

Answered

Is there a script or app to convert many (>50) matlab figure files into powerpoint presentation??

You can do this pretty easily with the MATLAB Report Generator. Presentation Generator Development - MATLAB & Simulink (mathwor...

Is there a script or app to convert many (>50) matlab figure files into powerpoint presentation??

You can do this pretty easily with the MATLAB Report Generator. Presentation Generator Development - MATLAB & Simulink (mathwor...

6 months ago | 0

Published

Emulating a physical experiment of measuring M&M’s

Jiro's Pick this week is M&M statistics by Lisa R. Thompson.A common challenge I hear from educators is how to conduct...

7 months ago

Answered

please help with work

v = ["Not Valid" "Valid"]; v(isvarname(input('enter variable name: ', 's'))+1)

please help with work

v = ["Not Valid" "Valid"]; v(isvarname(input('enter variable name: ', 's'))+1)

7 months ago | 1

| accepted

Answered

How to unit test several different functions that take the same input arguments efficiently?

Look into using TestParameters. You can use an array of function handles as the parameter values to traverse different function...

How to unit test several different functions that take the same input arguments efficiently?

Look into using TestParameters. You can use an array of function handles as the parameter values to traverse different function...

7 months ago | 1

Answered

colon operator in compiled python package

You should call the MATLAB module with a numeric input rather than a list. This is the data type conversion table. Use numeric...

colon operator in compiled python package

You should call the MATLAB module with a numeric input rather than a list. This is the data type conversion table. Use numeric...

7 months ago | 0

Answered

Enable/Disable uitabs in uitabgroup, with v2015b

In App designer this is possible by adding a panel inside the uitab and disabling the uipanel.

Enable/Disable uitabs in uitabgroup, with v2015b

In App designer this is possible by adding a panel inside the uitab and disabling the uipanel.

7 months ago | 0

Answered

Marker Symbol 'I' in plot

This capability was added in 20b. https://www.mathworks.com/help/releases/R2020b/matlab/release-notes.html?category=graphics&rn...

Marker Symbol 'I' in plot

This capability was added in 20b. https://www.mathworks.com/help/releases/R2020b/matlab/release-notes.html?category=graphics&rn...

7 months ago | 1

Answered

Error in code.

It looks like you just copied someone's script that has the outputs as well as the code. You can't run the outputs.

Error in code.

It looks like you just copied someone's script that has the outputs as well as the code. You can't run the outputs.

7 months ago | 1

Answered

How can I get all possible coordinate from implicit function ?

zz = acos(-(cos(-5:5)+cos((-5:5).'))) % Check norm(cos(-5:5) + cos((-5:5).') + cos(zz))

How can I get all possible coordinate from implicit function ?

zz = acos(-(cos(-5:5)+cos((-5:5).'))) % Check norm(cos(-5:5) + cos((-5:5).') + cos(zz))

7 months ago | 0

| accepted

Published

Avoid Overwriting Files!

Brett's Pick this week is Avoid file overwrite, by Simon Musall.ContentsA cautionary taleavoidOverwriteA cautionary taleSome...

8 months ago