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Draw a graphic window vertically in two parts and draw a graphic in the left part functions f1 (x) with dashed line of black color, and in the right function f2 (x) by crosses green color. Observe the variable x in the interval [-pi/4, pi/4] f1(x)=
plot(x,y2,'xg') % one and not 2 x, in the other plot the 2 - mean dashed line one - mean solid line

7 years ago | 0

Answered
how close external window in app designer?
close instruction will only close figure If you have created your windows1 (I suppose it's an app) like this hWin1 = windows1 ...

7 years ago | 0

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Answered
Simulating ODEs with array inputs
Hi, I'm not sure you use ode45 correctly. In your function dydt = first_order(t, y, P, T_o) t is the current time and y the ...

7 years ago | 1

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Answered
Computing time for .^(1/2) or .^(1/p)
Explanation in french here In order to compute the square root of any number you only need to be able to compute the square roo...

7 years ago | 1

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Sum the daily data based on month and year
Lets assume your 3D variable is called data Frist get the group id : which width of data correspond to the same month of the sa...

7 years ago | 0

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Answered
vector indexing in different dimension
You can use arrayfun function: arrayfun(@(a,b) max(C(a:b)),A,B)

7 years ago | 1

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Answered
How to divide gray scale image into 8x8 blocks and access each block separately to apply dct2 on the block
file = 'cameraman.tif'; im=imread(file); imshow(im); In order to use blockproc you have to use a function that accpts blockss...

7 years ago | 1

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Submitted

Export SignalBuilder to Excel
Export signal builder to excel

8 years ago | 521 downloads |

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

12 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...

12 years ago

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

12 years ago

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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...

12 years ago

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Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

12 years ago

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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

12 years ago

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inner product of two vectors
inner product of two vectors

12 years ago

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Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

12 years ago

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

12 years ago

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

12 years ago

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Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

12 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...

12 years ago

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

12 years ago

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

12 years ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

12 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...

12 years ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

12 years ago

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

12 years ago

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

12 years ago

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

12 years ago

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

12 years ago

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

12 years ago