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Sorted highest to lowest?

Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

10 years ago

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All capital?

Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

10 years ago

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Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

10 years ago

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Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

10 years ago

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Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

10 years ago

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Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

10 years ago

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Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

10 years ago

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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

10 years ago

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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...

10 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...

10 years ago

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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 ...

10 years ago

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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]; and ...

10 years ago

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Given an unsigned integer x, find the largest y by rearranging the bits in x

Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

10 years ago

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Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

10 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.

10 years ago

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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:...

10 years ago

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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...

10 years 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 ...

10 years ago

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How to find the position of an element in a vector without using the find function

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

10 years ago

Answered

Introducing a border/outline to objects in an image.

Irgb = imread('ap78s9.jpg'); Igray = rgb2gray(Irgb); Ibw = im2bw(Igray,graythresh(Igray)); Ifill = imfill(Ibw,'holes'...

Introducing a border/outline to objects in an image.

Irgb = imread('ap78s9.jpg'); Igray = rgb2gray(Irgb); Ibw = im2bw(Igray,graythresh(Igray)); Ifill = imfill(Ibw,'holes'...

10 years ago | 1

| accepted

Answered

how to insert elements in listbox?

*In openingfcn* function untitled_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; handles...

how to insert elements in listbox?

*In openingfcn* function untitled_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; handles...

10 years ago | 4

Answered

How to get the barcode region to red color??

Hi, Kim I agree with you. To determine the barcode just use boundingbox from regionprops :) Irgb = imread('15wmqe9.jpg')...

How to get the barcode region to red color??

Hi, Kim I agree with you. To determine the barcode just use boundingbox from regionprops :) Irgb = imread('15wmqe9.jpg')...

10 years ago | 0

Answered

Textscanning and exporting several text files

Hi, Liisa Look at line data = textscan(fid, '%f%f%f%f%f%f%f%f%f%f%f%f%f%f%f%f%f'); Did you mean data = textscan...

Textscanning and exporting several text files

Hi, Liisa Look at line data = textscan(fid, '%f%f%f%f%f%f%f%f%f%f%f%f%f%f%f%f%f'); Did you mean data = textscan...

10 years ago | 0

| accepted

Answered

how to insert elements in listbox?

Hi, Usama. Maybe you are seeking for something like this? <<http://i1196.photobucket.com/albums/aa410/nasa078/Mathworks/GU...

how to insert elements in listbox?

Hi, Usama. Maybe you are seeking for something like this? <<http://i1196.photobucket.com/albums/aa410/nasa078/Mathworks/GU...

10 years ago | 4

| accepted

Answered

How to save a variable which changes runtime in Matlab?

Did you mean : clear; for i = 1 : 3 s(i) = i; if i == 1 save indice.mat s; else ...

How to save a variable which changes runtime in Matlab?

Did you mean : clear; for i = 1 : 3 s(i) = i; if i == 1 save indice.mat s; else ...

10 years ago | 0

| accepted

Answered

How to get the barcode region to red color??

When use the first image (vertical barcode image), I just simply try to change the position of *abs(dIx)* and *abs(dIy)* int...

How to get the barcode region to red color??

When use the first image (vertical barcode image), I just simply try to change the position of *abs(dIx)* and *abs(dIy)* int...

10 years ago | 1

| accepted

Answered

Pattern Recognition with Perceptron

Hi, Benard A perceptron can be created with the *newp* function. Eq: net = newp(PR,S,TF,LF); - PR is m x 2 matrix of [...

Pattern Recognition with Perceptron

Hi, Benard A perceptron can be created with the *newp* function. Eq: net = newp(PR,S,TF,LF); - PR is m x 2 matrix of [...

10 years ago | 0

| accepted