Question

Create x and y vectors?

How can I build an x and y vector given x(1) = 1 and y (1) = 1 (first data points), dx and dy = 2, and number of rows(total numb...

2 months ago | 1 answer | 0

Question

Change data type of entire cell array?

I have a 1 x 2500 cell array created from a .txt file. Each cell has one long string of many individual numbers that I need. E...

2 months ago | 1 answer | 0

Question

Printing lines of text from cell array?

Suppose I had a simple cell array : D = {[1 2 3],[4 5 6 7 8 9],[10 11 12 13 14 15 16 17 18 19 20]} How could I print each line...

2 months ago | 1 answer | 0

Question

Help with syms function. Unable to find explicit solution

I'm trying to solve for a variable that is on both sides of an equation. T = 10; h = 20; g = -9.81; syms L eq = L == ...

3 months ago | 2 answers | 0

Question

How to make a grid of dots?

I have a function to plot a circle: function circle = circleplot(x,y,r,c) th = 0:pi/50:2*pi; x_circle = r * cos(th) + x; y...

3 months ago | 0 answers | 0

Question

Trouble getting function to work. Not enough inputs.

I'm trying to write a function that will output the indices of all local maxima and minima of a function. I was able to write c...

3 months ago | 1 answer | 0

Question

Write a function to local all local maxima and minima?

I'm having trouble using find function to output indicies of maximas and minimas in my function So far I have this: function [...

3 months ago | 1 answer | 0

Question

Writing Functions that take inputs?

Need help getting this function to execute. So far I have: r = input('What is the radius of the circle?') x = input('What i...

4 months ago | 2 answers | 0

Question

Using get and set command to add a title, xlabel, and ylabel?

Is there a way to add a title and x and y axes labels to a figure by using only the get and set commands? Also, I need to chang...

4 months ago | 1 answer | 0

Question

Least squares regression to find coefficients

Not sure what to do here. I tried doing it all seperately by setting noise to 0, then to 50, then 100 and using polyfit but I g...

4 months ago | 1 answer | 0

Question

Given that t is in increments 0.1 and goes from 0 to 20, how can I make a variable that consists of 5t^2?

First I made x as: >> t = 0:0.1:20 I have tried numerous ways to get a variable consisting of 5t^2 and have the same result. ...

4 months ago | 1 answer | 0