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lightroman


28 total contributions since 2017

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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...

mehr als ein Jahr ago

Question


Search matrix for array of values and place results into another
I am attempting to search mat A for values B. Then take the indices where B is located in A and access the corresponding indices...

mehr als ein Jahr ago | 2 answers | 0

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answers

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

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Solved


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...

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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.

mehr als ein Jahr 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...

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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...

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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...

mehr als ein Jahr 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...

mehr als ein Jahr ago

Solved


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

mehr als ein Jahr 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 ...

mehr als ein Jahr 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...

mehr als ein Jahr 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...

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Solved


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

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

mehr als ein Jahr ago

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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 ...

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Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

mehr als ein Jahr ago

Question


mat ops to locate values and place into new matrix
column width should be length of longest row of 9s. I can do this by loops and placing the values into a preallocated zeroes ...

mehr als ein Jahr ago | 1 answer | 0

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answer

Question


print numeric array as list with commas
I cant figure out how to print a = 1:10 as 1,2,3,4,5,6,7,8,9,10

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


Print message about which loop has been entered, after finishing for loop
I have 4 if statements in a for loop. I need to know which if statement was entered. Can be just one or all 4. after the for loo...

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


Reshape cell array into a matrix
I am struggling to reshape this cell array into a matrix of # cell arrays by max length of cell array. This ex 4x7 matrix. The r...

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


search through an array for patterns and put into cell arrays.
Looking to search through a large array of integers and find patterns of up to 1-10 ( can be 1 or 1 2 3 or 1 2 3 4 5 6 .. 10, et...

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


Search for a number pattern in an array
Without using strfind is there a way to search for a pattern of less than 4 ones in a row? and if there are can i set them all t...

mehr als ein Jahr ago | 2 answers | 0

2

answers

Question


Search array for largest value of the desired format
I have an array, data, I need to search through it to find 1000 , 2000 , 3000 , ... n As many as exist in the array. 1000 wil...

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


how to reduce time grabbing values from indices of cell arrays?
I currently do the operation below and wanted to try to do this without a loop since n is very large. value = 1:5; re...

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


Fastest way to access another matrix for all nonzero rows
Hi I am new to MATLAB and I have been looking on here for 20 minutes. I am able to do this with multiple lines of code using ...

mehr als ein Jahr ago | 1 answer | 0

1

answer

Question


Split array into cell arrays of different size
I have an array that I am trying to divide into different lengths arrays. The array is 750000 values or so long so I needed an e...

mehr als ein Jahr ago | 1 answer | 0

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