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Alexander


Last seen: etwa ein Monat vor |  Aktiv seit 2014

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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...

etwa 2 Jahre vor | 0 Antworten | 0

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

mehr als 2 Jahre vor | 0 Antworten | 0

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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...

etwa 3 Jahre vor | 1 Antwort | 1

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

mehr als 3 Jahre vor | 0 Antworten | 1

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

mehr als 3 Jahre vor | 0

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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)...

mehr als 3 Jahre vor | 1 Antwort | 0

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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. ...

mehr als 3 Jahre vor | 1 Antwort | 0

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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 ...

etwa 6 Jahre vor | 0 Antworten | 0

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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...

fast 7 Jahre vor | 1 Antwort | 0

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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...

etwa 8 Jahre vor | 0 Antworten | 0

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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...

mehr als 8 Jahre vor | 0 Antworten | 0

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Gelöst


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 = ...

mehr als 8 Jahre vor

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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 ...

mehr als 8 Jahre vor

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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...

mehr als 8 Jahre vor

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

mehr als 8 Jahre vor

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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...

mehr als 8 Jahre vor

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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...

mehr als 8 Jahre vor

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

mehr als 8 Jahre vor

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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]

mehr als 8 Jahre vor

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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...

mehr als 8 Jahre vor

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

mehr als 8 Jahre vor

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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...

mehr als 8 Jahre vor

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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...

mehr als 8 Jahre vor

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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...

fast 9 Jahre vor

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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.

fast 9 Jahre vor

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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...

fast 9 Jahre vor

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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...

fast 9 Jahre vor

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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...

fast 9 Jahre vor

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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...

fast 9 Jahre vor

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

fast 9 Jahre vor

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