geieraffe

Active since 2012

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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...

ungefär 9 år ago

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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...

ungefär 9 år ago

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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...

ungefär 9 år ago

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Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

ungefär 9 år ago

Question

How to create and rename a bus?
My actual question is: How can I assign a (new) name to a variable, whose name I do not know explicitly? But maybe some one...

mer än 9 år ago | 0 answers | 1

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Why does 'filesep' not work with 'gcb'?
Hi, today a problem occurred, I thought it's kind of a no-brainer, but I was wrong: If I get the pathname of my current ...

mer än 9 år ago | 2 answers | 0

2

answers

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Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

ungefär 10 år ago

Solved

Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

ungefär 10 år ago

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Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

ungefär 10 år ago

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Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

ungefär 10 år ago

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Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

ungefär 10 år ago

Question

assign loaded structs directly
I wonder, if there is no nicer way for doing this: mdlPara = load([datasetPath,datasetName]); rename = fieldnames(mdlPar...

nästan 11 år ago | 2 answers | 0

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

ungefär 11 år ago

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

ungefär 11 år ago

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

ungefär 11 år ago

Solved

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...

ungefär 11 år ago

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Read a Soroban Abacus
*Description* The Soroban is the name of the modern Japanese abacus. Information on reading a Soroban can be found <http://we...

ungefär 11 år ago

Answered
Hit Crossing driven by a signal of type 'single'
Ok, for all who are/were interested, here is my solution: I constructed my own hit crossing block. <</matlabcentral/answ...

ungefär 11 år ago | 0

| accepted

Question

Hit Crossing driven by a signal of type 'single'
Hey community, I'm frustrated by now. I can't use the given Simulink block for a Relay because I have to change the switch on/o...

ungefär 11 år ago | 2 answers | 0

2

answers

Question

How to send an event with a MATLAB function (in Stateflow)
Hey there, ...especially a warm welcome to all the Stateflow cracks, I have a problem when implementing a functionality in S...

mer än 11 år ago | 1 answer | 0

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answer

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

nästan 12 år 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...

nästan 12 år ago

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

nästan 12 år ago

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Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

nästan 12 år ago

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...

nästan 12 år 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...

nästan 12 år ago

Question

Create single (standard) toolbar elements w/o GUIDE
Hey there, is there a way to create a toolbar with some specific elements of the standard toolbar without using GUIDE? I'v...

ungefär 13 år ago | 0 answers | 0

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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...

mer än 13 år 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...

mer än 13 år ago

Solved

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

mer än 13 år ago