Answered

How to Stop Autosaving

You can unset the "Automatic file changes" option for saving whenever you click away from the file in the Editor/Debugger sectio...

How to Stop Autosaving

You can unset the "Automatic file changes" option for saving whenever you click away from the file in the Editor/Debugger sectio...

3 månader ago | 0

Answered

neuralnet function not working with more than one input

neuralnet cannot be used to obtain NARX model in your case as you have multiple number of inputs. narxnet can be used to obtai...

neuralnet function not working with more than one input

neuralnet cannot be used to obtain NARX model in your case as you have multiple number of inputs. narxnet can be used to obtai...

3 månader ago | 0

| accepted

Answered

inverse of a subset of a matrix

As 28 is not a multiple of 3 I am assuming that you are looking to invert 9 3x3 sub matrices I.e., till row 27 The following c...

inverse of a subset of a matrix

As 28 is not a multiple of 3 I am assuming that you are looking to invert 9 3x3 sub matrices I.e., till row 27 The following c...

3 månader ago | 0

| accepted

Answered

labelling multiple images at once by rgb

rgb2ind(RGB,Q) can be used to index an RGB image with Q colors. The documentation for rgb2ind can be found here You can r...

labelling multiple images at once by rgb

rgb2ind(RGB,Q) can be used to index an RGB image with Q colors. The documentation for rgb2ind can be found here You can r...

3 månader ago | 0

Answered

mean squared logarithmic error loss function

It is already answered here

mean squared logarithmic error loss function

It is already answered here

3 månader ago | 0

| accepted

Answered

Define early stopping criterion for number of training epochs

Hi Eleanor, Training a neural network can be terminated by setting the values of the following parameters: min_grad Minim...

Define early stopping criterion for number of training epochs

Hi Eleanor, Training a neural network can be terminated by setting the values of the following parameters: min_grad Minim...

3 månader ago | 0

Solved

Nearest Numbers

Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

7 månader ago

Solved

Find relatively common elements in matrix rows

You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

7 månader 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...

7 månader 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...

7 månader ago

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Making change

Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

7 månader ago

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Find the alphabetic word product

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

7 månader ago

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Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

7 månader ago

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Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

7 månader ago

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Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

7 månader 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...

7 månader ago

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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...

7 månader ago

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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...

7 månader ago

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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...

7 månader ago

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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...

7 månader ago

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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 + ...

7 månader ago

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Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

7 månader ago

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Balanced number

Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

7 månader ago

Solved

Test for balanced parentheses

Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

7 månader ago

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Counting in Finnish

Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

7 månader 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...

7 månader ago

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Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

7 månader ago

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Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

7 månader ago

Solved

Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

7 månader ago

Solved

Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

7 månader ago