Alexander

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How to use PID controller from Control System TB in Matlab function of Stateflow?
I want to use PID controller in Stateflow. I made two options (above): Simulink function and Simulink state. How to use Mat...

9 mois il y a | 1 réponse | 0

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Meaning of step, epoch and episode in RL?
RL Designer App. I want to train an agent (PPO). I see that number of epochs in it is 3. In train options there are also epis...

plus de 3 ans il y a | 1 réponse | 0

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Question

where is my home license?
mathworks site does not show my home license. What happens?

plus de 3 ans il y a | 1 réponse | 0

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Question

How to realize linear function (filter?) with saturation?
Initial signal equals ones, then minus ones (it can switch many times): u = [ones(15,1);-ones(5,1)]; If u==1 then output shoul...

plus de 4 ans il y a | 1 réponse | 1

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Question

How to divide ROI label?
How to divide ROI label into two parts after auto recognition?

plus de 4 ans il y a | 1 réponse | 1

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Réponse apportée
Where is Speech2Text in AudioLabeler?
I should run setup.m file in speech2text folder.

plus de 4 ans il y a | 0

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Question

Where is Speech2Text in AudioLabeler?
In AudioLabeler I don't see Speech2Text AddOn though I've installed it. Why? ('one-two-three...' audio file recognition example)...

plus de 4 ans il y a | 1 réponse | 0

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Question

How to use GA in Reinforcement Learning instead of Gradient descent?
I made my Environment (reset and step functions) but I want to use Genetic algorithm for NN tuning instead of gradient descent. ...

presque 5 ans il y a | 1 réponse | 0

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Question

Why Import Tool can't read csv files?
Previous versions can read csv files. But the new ones show the error "can't read utf16-LE". But the first line of data is read ...

plus de 7 ans il y a | 1 réponse | 0

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Question

How divide states (run and stop, normal and alarms, summer and winter) in Stateflow for ventilation?
What is the best Stateflow structure (states) for ventilation system? It can be stopped or run. Run automatically or manually. T...

environ 8 ans il y a | 1 réponse | 0

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Question

can Matlab use lighting protocols: DALI, DMX?
I study using MatLab with Arduino. For lighting control there are such protocols as DALI and DMX. I saw in Arduino SPI, I2C, UAR...

plus de 9 ans il y a | 1 réponse | 0

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Question

Find a formula for the first harmonic
The procedure. We have a time-series (N last terms) x(1:N). Find Discrete Fourier Transfom h(1:N) = DFT(x). Find the Inverse DFT...

presque 10 ans il y a | 1 réponse | 0

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A résolu

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

presque 10 ans il y a

A résolu

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

presque 10 ans il y a

A résolu

Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

presque 10 ans il y a

A résolu

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

presque 10 ans il y a

A résolu

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

presque 10 ans il y a

A résolu

Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

presque 10 ans il y a

A résolu

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

presque 10 ans il y a

A résolu

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

presque 10 ans il y a

A résolu

Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

presque 10 ans il y a

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

presque 10 ans il y a

A résolu

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

presque 10 ans il y a

A résolu

Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

presque 10 ans il y a

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

environ 10 ans il y a

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

environ 10 ans il y a

A résolu

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

environ 10 ans il y a

A résolu

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

environ 10 ans il y a

A résolu

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...

environ 10 ans il y a

A résolu

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...

environ 10 ans il y a

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