Eric23333

Last seen: 10 maanden ago | Active since 2017

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Forward dynamics problem in robotics systems toolbox
Hey, I want to use model-based control scheme (such as sliding mode control, etc.) in kuka iiwa820. Main process is that conti...

ongeveer 4 jaar ago | 1 answer | 0

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Question

Parameters initialization problem of simulink block which inputs are other block's output
Hello all, i meet some trouble in simulink block inputs initialization process. As shown in figure. The Pd_Mctrl block's inputs...

meer dan 4 jaar ago | 0 answers | 0

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How can i set the Transport Delay Block's initial output as the other block's first output rather than constant
How can i set the Transport Delay Block's initial output as the other block's first output rather than constant? For example, i...

bijna 5 jaar ago | 0 answers | 0

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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...

bijna 8 jaar ago

Solved

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...

bijna 8 jaar ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

bijna 8 jaar ago

Question

How to plot trajectory like this?
<</matlabcentral/answers/uploaded_files/88481/liulu.png>> <</matlabcentral/answers/uploaded_files/88483/%E5%BE%AE%E4%BF%A1%E5...

ongeveer 8 jaar ago | 0 answers | 2

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answers

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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...

ongeveer 8 jaar ago

Solved

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...

ongeveer 8 jaar ago

Question

How can i avoid lag when receive and transmit through serial port in GUI
Hello all! Recently,i made a GUI to communicate with other device.There exists some lag problem i can not figure out. The re...

ongeveer 8 jaar ago | 0 answers | 0

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Question

How to save the data from serial port continuesly through csv or xls?
Hello all! I wonder to know how can i save the data from serial port continuesly through .csv or .xls. I have do some work...

meer dan 8 jaar ago | 1 answer | 0

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answer

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

meer dan 8 jaar 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...

meer dan 8 jaar ago

Solved

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

meer dan 8 jaar ago

Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

meer dan 8 jaar ago

Solved

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...

meer dan 8 jaar ago

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.

meer dan 8 jaar ago

Solved

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...

meer dan 8 jaar ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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 ...

meer dan 8 jaar 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 ...

meer dan 8 jaar ago

Solved

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

meer dan 8 jaar 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...

meer dan 8 jaar ago

Solved

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

meer dan 8 jaar ago

Solved

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

meer dan 8 jaar 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 ...

meer dan 8 jaar ago