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Pavel Roslovets


ETMC Exponenta (MathWorks official distributor in Russia)

24 total contributions since 2016

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Submitted


App Designer: Instrument Control over Serial (Arduino example)
Example of using App Designer for buildng application to control hardware (i.e. Arduino) over Serial

10 days ago | 79 downloads |

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Submitted


LEGO EV3 Spinner Speedometer (Stateflow)
Measure spinner speed with LEGO EV3 and Stateflow

1 month ago | 11 downloads |

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Solved


Count number of words in string
Count number of words in string Examples 'hi', answer is 1 'hi hi', answer is 2 'I enjoy cody', answer is 3

1 month ago

Submitted


Fidget Spinner 3DOF Gyro (Simscape Multibody)
3DOF gyro psysical model of fidger spinner

3 months ago | 21 downloads |

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Submitted


Arduino Weather Station IoT (ThingSpeak)
Standalone Arduino Weather Station that's uploading data directly to ThingSpeak

5 months ago | 14 downloads |

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Submitted


Arduino Additional Sensors Library (DHT, LPS331)
Simulink blocks for DHT and LPS331 sensors

5 months ago | 22 downloads |

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Solved


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.

8 months ago

Solved


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...

8 months ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

8 months ago

Submitted


Gyroboy - self-balancing two-wheel robot (segway) based on Lego EV3
Model of EV3 segway robot with LQR controller. Could be run on hardware (EV3)

8 months ago | 18 downloads |

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Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

12 months ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

1 year ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

1 year ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

1 year ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

1 year ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

1 year ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

1 year ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

1 year ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

1 year ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

1 year 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:...

1 year ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

1 year ago

Answered
Error occurred while executing External Mode MEX-file 'ext_comm': ExtTargetPktPending() call failed while checking for target pkt
Please check this answer http://www.mathworks.com/matlabcentral/answers/126713#answer_205985

2 years ago | 0

Answered
Error while running simulink model connecting to raspberry pi with a webcam for real time image processing
Seems like you are trying to send a too big amount of data from Raspberry to MATLAB in External Mode, so you get lost connection...

2 years ago | 0