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maiaL


Last seen: ungefär 2 månader ago Active since 2019

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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

answer

Solved


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 _x&#8321_ and _x&#8322_ 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

Answered
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

Answered
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

Answered
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

Answered
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

Answered
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

Answered
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

Answered
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

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

ungefär 2 år ago | 0

| accepted

Answered
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

Answered
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

Answered
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

answer

Answered
Is 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

Answered
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

Answered
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

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