# Cris LaPierre

### MathWorks

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**Content Feed**

For every time stamp t do

Ch 12 of MATLAB Onramp introduces how to write if statements and for loops.

circa 20 ore ago | 0

Plot the same color for all iterations of a loop

I don't see any code for actually creating the plots, so it's hard to understand exactly what you are doing. If you do not spec...

circa 24 ore ago | 0

Latex Interpreter Not Producing Expected Results

The problem is that x2unit contains symbols that have meaning in LaTeX markup in MATLAB. Consider including your unit inside the...

2 giorni ago | 0

Have the user input a filename containing an ODE, which has to be passed to a function.

The problem is that (t,[x1_mesh(i); x2_mesh(i)]) is being treated as indexing your variable MODE. It is not being recognized as ...

3 giorni ago | 0

Computing displacement from accelerometer data

I think the first issue is to find the magnitude of the acceleration vector using the data from all 3 axes. From there, you can ...

4 giorni ago | 0

How I can Plot Data Samples as Data values in Y-axis and Sample counter converted to micro second values in X-axis? Then get average and standard variation values?

I highly recommend going through MATLAB Onramp, but the quick answers are 2. Select your x values, then use Ctrl+click to selec...

4 giorni ago | 0

Removing rows with empty values in table

Empty is not a recognized missing value in MATLAB, so rmmissing does nothing. Missing values are defined according to the data ...

5 giorni ago | 0

| accepted

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 ...

7 giorni 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...

8 giorni 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 ...

9 giorni 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.

9 giorni ago | 0

Expanding Array as following;

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

9 giorni 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...

9 giorni 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...

9 giorni ago | 0

| accepted

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...

10 giorni 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...

10 giorni 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...

10 giorni ago | 0

| accepted

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...

10 giorni ago | 0

| accepted

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...

16 giorni ago | 0

| accepted

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...

18 giorni 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...

18 giorni ago | 1

| accepted

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...

19 giorni 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.

19 giorni 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...

20 giorni 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 ...

20 giorni 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 ...

20 giorni 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

22 giorni 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...

22 giorni ago | 1

| accepted

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...

22 giorni ago | 1