Answered

Incorporate Incremental Vector into an Equation

Use the elementwise operators (preceed divide/multiply with a dot). https://www.mathworks.com/help/matlab/matlab_prog/array-vs-...

Incorporate Incremental Vector into an Equation

Use the elementwise operators (preceed divide/multiply with a dot). https://www.mathworks.com/help/matlab/matlab_prog/array-vs-...

1 year ago | 0

Answered

count of non zero elements of a row vector in a loop

Try the nnz function. It sounds like you're trying to count the number of nonzero elements in each row? Use arrayfun to apply t...

count of non zero elements of a row vector in a loop

Try the nnz function. It sounds like you're trying to count the number of nonzero elements in each row? Use arrayfun to apply t...

1 year ago | 1

| accepted

Answered

Using CLEAR ALL usually decreases code performance and is often unnecessary

It sounds like you're seeing this in the Editor's Linter coding tips? These are all "clear the slate" commands, Use clc to clea...

Using CLEAR ALL usually decreases code performance and is often unnecessary

It sounds like you're seeing this in the Editor's Linter coding tips? These are all "clear the slate" commands, Use clc to clea...

1 year ago | 0

Answered

Can I use boolean of a variable on a column of another variable

Hi, to confirm/rephrase, you're looking to extract 16 separate arrays, each one corresponding to the case where the response mat...

Can I use boolean of a variable on a column of another variable

Hi, to confirm/rephrase, you're looking to extract 16 separate arrays, each one corresponding to the case where the response mat...

1 year ago | 0

Answered

How To Assign Operator/Variables with a value

I'm not familiar with LGP. Consider a cell array to hold the chromosome? C = {X, 2, @times, 4} Using the operator definition...

How To Assign Operator/Variables with a value

I'm not familiar with LGP. Consider a cell array to hold the chromosome? C = {X, 2, @times, 4} Using the operator definition...

1 year ago | 0

Answered

Creating a vector from recursive elements of another vector

Welcome to MATLAB! Matlab will allocate the memory for you on the fly, so this is a one line operation, no need for a loop :) ...

Creating a vector from recursive elements of another vector

Welcome to MATLAB! Matlab will allocate the memory for you on the fly, so this is a one line operation, no need for a loop :) ...

1 year ago | 0

| accepted

Solved

Rosenbrock's Banana Function and its derivatives

Write a function to return the value of <http://en.wikipedia.org/wiki/Rosenbrock_function Rosenbrock's two-dimensional banana fu...

1 year ago

Solved

Permutation Via Multiplication

Given two numbers a and b, determine if the product ab is a permutation of the digits of a. For example, this is always true for...

1 year ago

Solved

Whole Number Un-Concatenator

Write a function that accepts an integer and an index digit and returns a vector containing two integers which are the leading a...

1 year ago

Solved

Whole Number Concatenator

Write a function that concatenates whole numbers. For example: numcat(111,222) should return 111222 numcat(1,2,3,4,5) s...

1 year ago

Solved

Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

1 year ago

Solved

Make roundn function

Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

1 year ago

Solved

Rounding off numbers to n decimals

Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

1 year ago

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Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

1 year ago

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Matlab Basics - Rounding II

Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

1 year ago

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Check that number is whole number

Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

1 year ago

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MATLAB Basic: rounding IV

Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

1 year ago

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MATLAB Basic: rounding III

Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

1 year ago

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MATLAB Basic: rounding II

Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

1 year ago

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MATLAB Basic: rounding

Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

1 year ago

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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.

1 year ago

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Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

1 year ago

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Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

1 year ago

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Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

1 year ago

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Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

1 year ago

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Return the first and last character of a string

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

1 year ago

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Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

1 year ago

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Check if number exists in vector

Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

1 year ago

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Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

1 year ago

Solved

Reverse the vector

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

1 year ago