# Cris LaPierre

### MathWorks

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**Content Feed**

Problem in "Increasing Automation with Functions > Creating and Calling Functions > (5/5) Create and Call Local Function", Task 1, MatLab Fundamentals

I just tested it, and it works find for me. Can you share a screenshot of what you are seeing? Try exiting the course and then ...

16 hours ago | 0

Driving, Cycling, and Walking Activity Recognition with Accelerometers: How to distinguish between the activities using data obtained from an accelerometer?

I would point you to the following examples Human Activity Recognition Simulink Model for Smartphone Deployment Human Activity...

1 day ago | 1

| accepted

Index in position 1 is invalid. Array indices must be positive integers or logical values.

I believe the issue here is that many of the values of vidIn are 0, which is not a valid index of htextinsCent. In MATLAB, your ...

3 days ago | 0

Create a script circle.m that will which receives diameter as an argument and returns two outputs area and circumference. your script should prompt to give diameter

You are creating a function, while the instructions say to create a script. You might be interesting in the input function.

3 days ago | 0

Expanding Array as following;

What about this? A=[1 0 0 1]; B = [A;A;A]; B = B(:)'

3 days ago | 0

Workspace doesn't show varaibles in MATLAB online

Can you share a picture of your session? I haven't been able to duplicate the behavior. Try logging out and logging back in. If...

3 days ago | 0

MATLAB thinks my entire script is commented, no idea why.

How was this file created? When I open the attached file in MATLAB, there are a lot more spaces between each letter. When I o...

3 days ago | 0

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cumsum function question for integration

It has to do with the fact that sin(t) starts at 0 and is positive until pi. cumsum is just adding up the Y values, so it oscill...

3 days ago | 0

I want to do exponential fitting for power decaying with time

The easiest approach is to use the Curve Fitting app inside a live script. This does require having the Curve Fitting Toolbox in...

4 days ago | 0

Plot dynamics of an ODE

I'm assuming your goal is to plot a line for when the function rs is equal to zero for various values of p. You could do that us...

4 days ago | 0

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Matlab User Interface - how can I fit more script in one line?

See this answer: https://www.mathworks.com/matlabcentral/answers/89333-how-to-increase-the-portion-reserved-for-writing-in-edit...

4 days ago | 0

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Create/Export .stl file from a mesh

You can use the stlwrite function that ships with MATLAB. However, you do need to turn your mesh into a triangulation opject fir...

10 days ago | 0

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Why is the run option greyed out here? What am I doing wrong with this function?

It is grayed out because you must call a function with inputs in a live script. See the note at the bottom of this page: "Runni...

12 days ago | 0

How to use a slider

My preference would be to create app (simple tutorial incorporates a slider to adjust a plot), or perhaps use a live script with...

12 days ago | 0

My matlab code with interp3 is not providing me correct answer. Please help.

I suggest looking at the description of what the inputs to interp3 can be. By taking the unique value of X, Y, and Z, you are l...

13 days ago | 1

Create an 1D array x from 0 to 10 interval size 0.5

See MATLAB Onramp, Ch 4 covers creating vectors and matrices.

13 days ago | 0

Why do I get the error message : 'Too Many Output Arguments' when I try to execute a function?

What function are you trying to call that is giving you the error? The code you shared doesn't use either of the functions you h...

14 days ago | 0

As student how many courses can I enroll as self-pacing?

It depends on the type of license you have. Only the Onramps are freely available. The rest of the self-paced courses require a ...

14 days ago | 0

Legend don't match with line style

The legend in MATLAB assigns labels based on the order the line objects are created in. What is perhaps unexpected here is that ...

14 days ago | 1

Why does the license center say I don't have a linked license, but I really do.

Contact support: https://www.mathworks.com/support/contact_us.html

16 days ago | 0

How can I save the results of a nested loop?

Note that your preallocation of results does not match the number of times your for loops will run. Keeping your for loops the w...

16 days ago | 1

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How can i extract data from data from table using a string of words.

I think the Access Data in a Table page is what you want. You might also be interested in the height and width functions for tab...

16 days ago | 1

Do you know how to remove some points from point cloud data?

Perhaps the pcdenoise function? Go through the examples on that page to see if it does what you want.

16 days ago | 0

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Issue during for loop.

We are not familiar with the problem you are trying to solve, so can't comment on what the code 'should' be doing. We can only c...

16 days ago | 0

How do I concatenate properly?

You need to put parentheses around your values to the left and right of the colon operators to force the order of operations to ...

17 days ago | 0

Rotating DICOM file around z-axis

Y is uint16 while Rz is double. However, converting Y to double will just lead to a dimension error with your matrix multiplicat...

17 days ago | 0

turn plot into a polyfit or polyval

In your figure window, select Tools > Basic Fitting Use the UI to find an appropriate fit to your data. Once done, export the r...

18 days ago | 0

Create 3D geometry by revolve (e.g. a cone) for use in the partial differential equation toolbox

Perhaps not the answer you are looking for, but I've found it easiest to create my geometries in other tools, and then import an...

18 days ago | 0

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Problem Using ode45 Function

The error I see is that you have not defined the inputs to your ode function in the correct order. Namely, t must be the first i...

18 days ago | 0