Beantwortet
How can i choose one result of numerical result?
bInOut(end) Swap end for something else if you want a different result, like 1 for the minimum, or 2 for the 2nd, etc.

fast 13 Jahre vor | 0

Frage

How to quickly extract a unique list of rows from a cell array?
So, I have an unacceptably large cell array, with far too many rows to reasonably display, and only 5 columns. Each column c...

fast 13 Jahre vor | 1 Antwort | 0

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Antwort

Beantwortet
Sorting and collecting data from arrays
range = unique(A(:,1)); for i = 1:numel(range) collection{i} = A(range(i) == A(:,1),2); end

fast 13 Jahre vor | 0

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Gelöst

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 + ...

fast 13 Jahre vor

Gelöst

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...

fast 13 Jahre vor

Beantwortet
How to create matrices and change matrix names in a for loop (Sprint and Eval) ?
Period(z)Return{s,j} looks like a structure, but it seems to be missing the "." that would make it work. Period(z).Return{s,j} ...

fast 13 Jahre vor | 0

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Gelöst

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 13 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 13 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 13 Jahre vor

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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...

fast 13 Jahre vor

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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. Example...

fast 13 Jahre vor

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

fast 13 Jahre vor

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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...

fast 13 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 13 Jahre vor

Gelöst

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...

fast 13 Jahre vor

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

fast 13 Jahre vor

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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...

fast 13 Jahre vor

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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 ...

fast 13 Jahre vor

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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...

fast 13 Jahre vor

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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 ...

fast 13 Jahre vor

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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 ...

fast 13 Jahre vor

Gelöst

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...

fast 13 Jahre vor

Beantwortet
How to put a list of different arrays, one below another, to create a new array ?
array = []; for i = 1:10 ... array = [array; addthis]; ... end

fast 13 Jahre vor | 0

Beantwortet
How to find derivative of one output signal with respect to other using simulink???
You could just calculate (difference in signal 1 over "a timestep")/(difference in signal 2 over "the same timestep").

fast 13 Jahre vor | 0

Beantwortet
matlab 2nd min question
A(A~=0) = A(A~=0) - min(A(A~=0)); This sets each element of A's elements NOT equal to zero equal to A's elements NOT equal t...

fast 13 Jahre vor | 0

Beantwortet
anyone can explain this error message
That error means that you have attempted to create a single variable that cannot fit _contiguously_ into your system's memory.

fast 13 Jahre vor | 0

Beantwortet
How to combine files(.csv, say 2000files), each file size is a1:g2560, and I want to findout MAX of F column from each file and storing these max values for all files and ploting these MAX values.
csvread is the obvious means of reading csv files, but they need to be all-numbers dlmread is another means of doing it. x...

fast 13 Jahre vor | 0

Beantwortet
Access and store cell arrays in a new variable
out = [cell{the indices of what you want to store}]

fast 13 Jahre vor | 1

Beantwortet
What is the difference between the STATE and OUTPUT of a simulink block. Please explain using one example.
A state is a set of values or conditions. (a column vector) Output is what is output. The output is some function of the stat...

fast 13 Jahre vor | 0

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

fast 13 Jahre vor