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Some Assembly Required
The input to this function is a matrix of real numbers. Your job is to assemble the rows of the matrix into one large row that ...

oltre 4 anni fa

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Day counter function
Write a function called _day_counter_ that returns the number of Mondays that fell on the first day of the month in a given year...

oltre 4 anni fa

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Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

oltre 4 anni fa

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

oltre 4 anni fa

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Calculate the square of a number (Super Easy)
The goal is to calculate the square (y) of a number (x). Good way to start MatLab for beginners.

oltre 4 anni fa

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Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

oltre 4 anni fa

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

quasi 5 anni fa

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Swap rows

quasi 5 anni fa

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Finding sum of even numbers in a vector.
Find the sum of all the even numbers present in the input vector x. Examples: Input x = [1 2 3 4] Output y is 6 Input...

oltre 6 anni fa

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Issues with findpeaks()
I must stress that I am not sure and I don't have acces to the Signal Processing Toolbox to check. However, have you tried rever...

oltre 6 anni fa | 1

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hide legend for certain curves in a Matlab plot
If you aren't fussed about actually doing this within the code then you can select the lines, open up the property editor, find ...

oltre 6 anni fa | 13

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Loop and write into a cell
This part of your code: for k=1:10 c{k}=sum(p(1:,k) 1)) end has two open (left) brackets and three close (right) b...

oltre 6 anni fa | 0

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Need to solve a nonlinear ODE using matlab
There are a range of ODE solvers available in MATLAB that could do this. The following link can help you pick which one is most ...

oltre 6 anni fa | 0

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HELP! My for loop code won't produce a line on the graph I plot
I'm not 100% sure but I'd guess you want the last line to be: semilogx(A,F) because otherwise everything is plotting at the sa...

oltre 6 anni fa | 0

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How to write this matlab code?
Assuming you want the mean of the whole matrix (not mean by row/column or something else) then the first line will be: A = (B -...

oltre 6 anni fa | 0

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Jumping over several loops
There are a few ways of doing this. They have largely been covered in the below links: https://uk.mathworks.com/matlabcentral/a...

oltre 6 anni fa | 0

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Smooth bad data in MattLab
I think you could easily do this by using find to locate the indices of all values lying in the shifted range. This would be som...

oltre 6 anni fa | 0

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How to select certain columns of a matrix only when the values in the 4th row are bigger than three values of the other four rows in that particular column?
For the example in your question, the following will work: [~,c] = size(A); a = ones(1,c); for col = 1:c if((sum(abs(A(4...

oltre 6 anni fa | 1

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Finding indices of first maximum value and last minimum value of a square wave
You could use f = find ( y > threshold ) to find the indices corresponding to all values that exceed some threshold value. The...

oltre 6 anni fa | 0

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Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

oltre 6 anni fa

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Make a Star Pyramid
Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

oltre 6 anni fa

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"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

oltre 6 anni fa

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Better bullseye matrix
<http://www.mathworks.com/matlabcentral/cody/problems/18-bullseye-matrix Problem 18> asks to create a bullseye matrix like this:...

oltre 6 anni fa

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Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

oltre 6 anni fa

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Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

oltre 6 anni fa

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Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

oltre 6 anni fa

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Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

oltre 6 anni fa

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Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

oltre 6 anni fa

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Calculate the centroid of a triangle
Info: https://en.wikipedia.org/wiki/Centroid Example Input: x = [0 0 1]; % x-coordinate y = [0 1 0]; % y-coordinat...

oltre 6 anni fa

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Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

oltre 6 anni fa

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