A résolu


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.

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A résolu


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.

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A résolu


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...

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A résolu


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...

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A résolu


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...

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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...

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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...

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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...

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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...

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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 ...

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A résolu


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

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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]; ...

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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...

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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...

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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.

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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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A résolu


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

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A résolu


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...

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A résolu


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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Réponse apportée
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...

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

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

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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 ...

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réponse

Question


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...

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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...

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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?

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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 ...

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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; ...

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