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Jonathan


Lamar University

26 total contributions since 2012

EE Student

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Question


Solving for unisolated variable
Hello all, I'm having a bit of trouble finding a method to solve a nonlinear equation. I've looked into "fsolve" a little but ...

6 years ago | 2 answers | 0

2

answers

Question


GUIDE - Selecting textbox by iterations - get(handles.***,'String')
Hi all, I was wondering if anyone knew of a more elegant way to get the values of a list of inputs. I have 10 (possibly more) ...

6 years ago | 1 answer | 0

1

answer

Answered
Serial Data with no TimeOut - Callback on read?
Solution found using BytesAvailableFcn awhile back, forgot to update the question.

7 years ago | 0

| accepted

Answered
How do I group signal definitions per their data types in generated code?
The class() function can reveal what type of data is being input. To sort it you could check the class of the input and store i...

7 years ago | 0

Answered
How to send data from MATLAB to Arduino an?
I suppose you could do it through serial connections. If you have a serial port (or a serial to USB adapter and driver) you can...

7 years ago | 0

| accepted

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

7 years ago

Question


Serial Data with no TimeOut - Callback on read?
Hello all, I've been using ML to communicate with meters and motors through serial ports. The goal is to take serial data from...

7 years ago | 1 answer | 0

1

answer

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

7 years ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

7 years ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

7 years ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 years ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

7 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

7 years ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

7 years ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

7 years ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

7 years ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

7 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

7 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

7 years ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

7 years ago

Answered
Updating Listbox / Files / Case-Switch Based on User Input
Well, since no one had answered this question yet I went with a very inelegant solution. Let the listbox (popupmenu) be popul...

7 years ago | 0

| accepted

Answered
Calling a function using a string generated earlier in code.
Here is a solution that will work depending on how many different cells you're talking about. Define the cell (in any functio...

7 years ago | 0

| accepted

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

7 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

7 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

7 years ago

Question


Updating Listbox / Files / Case-Switch Based on User Input
Hey guys, thanks in advance for any responses. I've been working on a series of GUIs that allow the user to control a stepper m...

7 years ago | 1 answer | 0

1

answer