Community Profile

# lightroman

28 total contributions since 2017

View details...

Contributions in
View by

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...

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

### 2

Solved

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

fast 2 Jahre ago

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...

fast 2 Jahre ago

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.

fast 2 Jahre 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...

fast 2 Jahre ago

Solved

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 2 Jahre ago

Solved

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 2 Jahre 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...

fast 2 Jahre ago

Solved

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

fast 2 Jahre 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 ...

fast 2 Jahre 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...

fast 2 Jahre 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...

fast 2 Jahre ago

Solved

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

fast 2 Jahre ago

Solved

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

fast 2 Jahre ago

Solved

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 2 Jahre ago

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:...

fast 2 Jahre ago

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...

fast 2 Jahre 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 ...

fast 2 Jahre ago | 1 answer | 0

### 1

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

fast 2 Jahre ago | 1 answer | 0

### 1

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...

fast 2 Jahre ago | 1 answer | 0

### 1

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...

fast 2 Jahre ago | 1 answer | 0

### 1

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...

fast 2 Jahre ago | 1 answer | 0

### 1

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...

fast 2 Jahre ago | 2 answers | 0

### 2

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...

fast 2 Jahre ago | 1 answer | 0

### 1

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...

fast 2 Jahre ago | 1 answer | 0

### 1

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 ...

fast 2 Jahre ago | 1 answer | 0