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# maiaL

Last seen: 3ヶ月 前 2019 年からアクティブ

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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 ...

12ヶ月 前 | 1 件の回答 | 1

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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...

1年以上 前

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

1年以上 前

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

1年以上 前

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...

1年以上 前

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...

1年以上 前

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 ...

1年以上 前

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

1年以上 前

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

1年以上 前

Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

1年以上 前

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,....

1年以上 前

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...

1年以上 前

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...

1年以上 前

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...

1年以上 前

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:...

1年以上 前

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...

1年以上 前 | 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...

1年以上 前 | 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...

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...

Matlab graphs not showing
Nothing is plotted because Jx is all NaN's, so something is wrong with your calculations.

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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'...

2年以上 前 | 0

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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...

2年以上 前 | 0

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

2年以上 前 | 0

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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?...

2年以上 前 | 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...

2年以上 前 | 0

How to Delay matlab function block?
Have you tried Delay blocks?

2年以上 前 | 0

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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...

2年以上 前 | 1 件の回答 | 2

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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...

2年以上 前 | 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...

2年以上 前 | 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',...

2年以上 前 | 0