Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

4 years 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.

4 years ago

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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...

4 years ago

Solved


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...

4 years ago

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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...

4 years ago

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...

4 years 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...

4 years ago

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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. Examp...

4 years 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...

4 years ago

Solved


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 ...

4 years ago

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

4 years 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]; ...

4 years ago

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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...

4 years ago

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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...

4 years ago

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

4 years 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 ...

4 years ago

Solved


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

4 years 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...

4 years 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:...

4 years ago

Answered
What is wrong with this path?
To find the right path, run without addpath('xyz') And then to find what you are looking from that path, matlab will recommen...

4 years ago | 0

| accepted

Answered
How to put an app in foreground from background
You could use : ... filename = uigetfile(...); app.UIFigure.Visible = 'on'; .. Hope this helps!

4 years ago | 0

| accepted

Answered
How to extract data from .mat files
You could use load('XYZ.mat') Does this help?

4 years ago | 0

Question


Unloading Tank and Optimally Schedule Ships to Load
Hi, I have a problem where a tank is being loaded by continuous production and ships of fixed volumes are used to unload the ...

4 years ago | 0 answers | 0

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answers

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Find Index of Table data satisfying some condition
I have a table in which I want to do conditional formatting dependoing upon conditions certain values in different column follow...

4 years ago | 1 answer | 0

1

answer

Question


Read specific columns from a large csv file
I have a csv file of 6000 columns need to use only 3000 for my analysis. These columns are not really a range of consecutive nu...

6 years ago | 1 answer | 0

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Question


How many plots can I plot together using hold on ?
I am trying to plot 80 data columns together, is there a maximum limit to how many can be plotted in single figure?

6 years ago | 0 answers | 0

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Question


How to call a function inside a parfor?
I have a loop that runs fmincon. Fmincon has another function inside it i.e. the objective function. Please help me with how to ...

6 years ago | 1 answer | 0

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answer

Question


How to combine series of consecutive numbers in Matlab?
I have following data: s{1} = 1:10; s{2} = 19:27; s{3} = 29:41; s{4} = 59:67; s{5} = 71:89; s{6} = 91:110; ...

6 years ago | 3 answers | 0

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