# maiaL

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**Content Feed**

Question

Discrepancies between single and double precision sum over time

I attempted to isolate and better understand an issue happening in a more complex model. It came down to an internal "clock" we ...

10 månader ago | 1 answer | 1

### 1

answerSolved

Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

mer än ett år ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

mer än ett år ago

Solved

Find the Best Hotels

Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

mer än ett år ago

Solved

Crop an Image

A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

mer än ett år ago

Solved

Plot Damped Sinusoid

Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

mer än ett år ago

Solved

Longest run of consecutive numbers

Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

mer än ett år ago

Solved

Calculate BMI

Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

mer än ett år ago

Solved

Calculate a Damped Sinusoid

The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

mer än ett år ago

Solved

Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

mer än ett år ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

mer än ett år ago

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

mer än ett år ago

Solved

Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

mer än ett år ago

Solved

Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

mer än ett år 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:...

mer än ett år ago

Where do the thermal properties of the generic battery model come from?

The equations used in this model can be found in the documentation: https://www.mathworks.com/help/physmod/sps/powersys/ref/batt...

mer än ett år ago | 1

Onda seno (Sine wave) at Simulink

Se entendi direito seu problema, você pode tentar algo assim (If I understood your problem correctly, you can try something like...

mer än ett år ago | 0

Matlab spring equation question

The way I understand the problem, you need an array "x" as the result of this program, which will have the same size as the arra...

nästan 2 år ago | 0

How do I increase the font size of MATLAB Document Help?

Ctrl + '+' for increasing and Ctrl + '-' for decreasing. Or alternatively, press and hold Ctrl and roll your mouse wheel. Should...

nästan 2 år ago | 1

Matlab graphs not showing

Nothing is plotted because Jx is all NaN's, so something is wrong with your calculations.

ungefär 2 år ago | 0

| accepted

How to find value of X when Y reaches maximum value

Not sure what kind of output you want, but one way would be to get the derivative of your y(x) function. When it's "zero", it'...

ungefär 2 år ago | 0

| accepted

SIMULINK step, ramp "Start time" on command

A possible solution would be to use an enable subsystem, where the enable signal would be the result of checking the pressure se...

ungefär 2 år ago | 0

| accepted

Finding Commented blocks programmatically

what about adding 'Commented','on' and 'Commented','through' to the find_system() arguments?

ungefär 2 år ago | 0

| accepted

Simulink - Interpreted Matlab Function: How can I define that I want two inputs to my function?

The Interpreted MATLAB function block only accepts one input afaik. Would it be possible to use a MATLAB function block instead?...

ungefär 2 år ago | 0

Greek character in script turned to a square or a question mark - any ideas why?

You can refer to this if you want to print greek and other special characters. But I don't think you can have these characters w...

ungefär 2 år ago | 0

How to Delay matlab function block?

Have you tried Delay blocks?

ungefär 2 år ago | 0

| accepted

Question

Extremely slow compilation time in referenced model (Simulink)

I have a Simulink model (model1) which has a model reference to model2. Model2 compilation time (checked with sldiagnostics) is...

ungefär 2 år ago | 1 answer | 2

### 1

answerIs there a way of externally defining the initial output of a Variable Transport Delay?

Not sure if I understood the question clearly, but you could simply define a ini_output value in the base workspace: ini_output...

ungefär 2 år ago | 0

Algebraic state in algebraic loop

You could try adding a Delay block before the input to the derivative block. I don't know if the signal in your actual model i...

ungefär 2 år ago | 0

List of all subsystem(include Model reference) in each layer from model

This could be a starting point: SubsystemsList=find_system('mdlName','SearchDepth',20,'LookUnderMasks','on','FollowLinks','on',...

ungefär 2 år ago | 0