Solved

5th Time's a Charm

Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

1 year ago

Solved

Remove the polynomials that have positive real elements of their roots.

The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...

1 year ago

Solved

Prime factor digits

Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

1 year ago

Solved

Find relatively common elements in matrix rows

You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

1 year ago

Solved

Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

1 year ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

1 year ago

Solved

Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end),...

1 year ago

Submitted

global_fit

Find the global optimum for a fit optimization problem fast.

1 year ago | 1 download |

Answered

Non-uniform Discrete Data Sample Filtering

I would reccomend you using the live script task "Smooth Data". There you can graphically try out different filter methods and a...

Non-uniform Discrete Data Sample Filtering

I would reccomend you using the live script task "Smooth Data". There you can graphically try out different filter methods and a...

1 year ago | 0

Solved

Birthday cake

It's Cody's 5th birthday, and you've been tasked with putting the candles on the cake. Your goal is to maximize the distance bet...

1 year ago

Question

How can I add an edge to my model?

I started using the Partial Differential Equation Toolbox and after generating a basic geometry, I wanted to add edges to it. Ho...

3 years ago | 2 answers | 0

Question

How do you name single output functions?

The matlab style book reccomends to name single output functions like their output, which is consistent with the MALTAB function...

3 years ago | 3 answers | 0

Answered

Reformat numbers in table

% leading zero in the format specifier specifies leading zeros in your string t.Var1 = "Subject" + string(num2str(t.Var1,'%03i'...

Reformat numbers in table

% leading zero in the format specifier specifies leading zeros in your string t.Var1 = "Subject" + string(num2str(t.Var1,'%03i'...

3 years ago | 0

| accepted

Answered

Error in the plot function/low resolution

Hi, it is hard to find (and fully understand) your problem without having your code. If I understand your question right, you...

Error in the plot function/low resolution

Hi, it is hard to find (and fully understand) your problem without having your code. If I understand your question right, you...

3 years ago | 0

Question

How do you name time series / table variables?

Hello community, when having a dataset with much variables in the form of a timetable, I often name the table with its variab...

3 years ago | 1 answer | 0

Answered

[Editable uitable] Calculate result based on user input

Right click on your table, --> Callbacks --> Add CellEditCallback This will create a subsection in your app code. Whenever a ...

[Editable uitable] Calculate result based on user input

Right click on your table, --> Callbacks --> Add CellEditCallback This will create a subsection in your app code. Whenever a ...

3 years ago | 0

Answered

Pop-Up Menu MultiSelect?

There are multiple ways your problem can be solved: Add a menu bar to your app. This will be a menu, that can expand from the t...

Pop-Up Menu MultiSelect?

There are multiple ways your problem can be solved: Add a menu bar to your app. This will be a menu, that can expand from the t...

3 years ago | 0

Answered

Maximization with an objective variable in the function

It seems to me, that fmincon can only find local minima. It also has much math I dont understand, an easier (to understand) func...

Maximization with an objective variable in the function

It seems to me, that fmincon can only find local minima. It also has much math I dont understand, an easier (to understand) func...

3 years ago | 0

Answered

Interactive tutor using app designer

What you will need for this is evil "eval". Eval can calculate whatever the student has given you. You can catch and return e...

Interactive tutor using app designer

What you will need for this is evil "eval". Eval can calculate whatever the student has given you. You can catch and return e...

3 years ago | 0

Answered

How to read a numerical value from a static text box?

Did you try str2double instead of num2str? ;)

How to read a numerical value from a static text box?

Did you try str2double instead of num2str? ;)

3 years ago | 1

Answered

Supress image showing until called on Live Script

A quite simple workaround would be, if you save the figure you want to be invisible, then close it and open it again from a file...

Supress image showing until called on Live Script

A quite simple workaround would be, if you save the figure you want to be invisible, then close it and open it again from a file...

3 years ago | 0

Solved

Pizza!

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

3 years ago

Question

How to Define a Symbolic Continued Fraction

Hello, I want to create and simplify a symbolic fraction, but dont now how. My fraction has the following form: I want to rep...

3 years ago | 3 answers | 0

Question

How can I use function handles in Simulink?

Hello, i found similar questions, but none did account for my problem in Simulink. I have a function handle in my model work...

3 years ago | 1 answer | 0

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:...

3 years ago

Answered

Smoothed daily count of each column by applying a moving average filter of length 7

To use a moving average filter in Matlab, use: M = movmean(A,k)

Smoothed daily count of each column by applying a moving average filter of length 7

To use a moving average filter in Matlab, use: M = movmean(A,k)

3 years ago | 0

Answered

Why do I get this error? "indices must either be real positive integers or logicals."

You could use N(g) to create a symbolic function with the symbolic variable g. Since g is not a symbolic variable but a vector, ...

Why do I get this error? "indices must either be real positive integers or logicals."

You could use N(g) to create a symbolic function with the symbolic variable g. Since g is not a symbolic variable but a vector, ...

3 years ago | 0

Question

Position or Coordinates of Labels

Hi, I want to know the Position of the xlabel (ylabel) of my plot, to insert an arrow at this position. However, when I call th...

3 years ago | 1 answer | 0

Answered

How to solve a cosine function raised to the 3rd power

Hi, you probably forgot to define theta as a symbolic variable. Use "sym" to do that. syms theta eqn = solve(1.5936==(2-3*cos(...

How to solve a cosine function raised to the 3rd power

Hi, you probably forgot to define theta as a symbolic variable. Use "sym" to do that. syms theta eqn = solve(1.5936==(2-3*cos(...

4 years ago | 1

Question

Strange behaviour of simplify

Hello, when solving a math Problem today i noticed a strange behaviour of simplify and I cannot explain myself what I did wrong....

4 years ago | 2 answers | 0