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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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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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create a loop to determine the pixel distance from the center using the distance formula
you just have to move (x, y). (x_c, y_x) are fixed. image = imread('sunflower,jpg'); [l,h,~] = size(image); %(x_c,y_c) = c...

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How to create an array and combine and put two images into it
Maybe you need to resize or add white pixels so that the images have the same dimension. A = imread('Yuan.jpg'); ACrop = A(300...

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creating a function that plots sinewaves for different parameters.
%signal = autoWave(frecuency(Hz),amplitude) signal = autoWave(5,2); Function: function [signal]=autoWave(frecuency,amplitude)...

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Creating a chart of T v. P. How do I use the solve function to solve every part of an array?
you need use solve() element to element. n = 2; D = 8.35; start = 10; finish =200; sy = 64; T = linspace(start, finish, 200); ...

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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...

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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:...

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Real and Imaginary element Separation from square matrix and stacking into a vector
with a matrix of example "a": a = [1 1+3*i 2+3*i; 3+4*i 2 4+4*i; 5+4*i 6+4*i 3]; realMatrix = zeros(1,length(a)); realMatrixx...

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How can I make image with specific color in each column???
You can use this code to generate the color rows: clear all; figure for bits = 1:1:8 Color=2^bits; %Number of colors lev...

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Problems plotting and adding legend to certain point in a plot
to place the dots with different colors: compleja = 0; A = rand(100); result = eig(A) j = 1; for i = 1:length(result)-1 ...

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Plotting a signal sin(2*pi*f*t) and obtaining a discrete periodic signal.
You can use plot to graph continuous signal, and stem to graph discrete signal. For example: t = 0:6e-2:1; signal = sin(2*pi...

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generate multi Diagonal matrices
In your code, you are only calculating the svd of the column 3 and row 3. N = 100; for j=1:length(N) H = 0.5.*(randn(3,3, ...

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plot square-wave sine grating
t = 85:1e-2:100; [X,Y]=meshgrid(t); % you can use fourier series to see the change in the function % components = 1 --> si...

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Simulate single sine wave
time = linspace(0,5,200); %Sampling signal signal = sin(2*pi*time); %sine wave vectorx = [ones(1,length(time)/4) 3*ones(1,le...

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Fourier Series on MATLAB
You need know the fuction of each wave form and use a "for" with fourier series. For example: components = 1; t = 0:1e-2:10;...

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what is the error with that code?
clc clear all r=0.05; l=0.01; st=0.0001; v=220; Kf=18; j=3; Tl=60; i=0; w=0; I=[]; W=[]; t=[]; for dt=0:0.0001:1 ...

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Making A table and a plot from a for loop
wt=2400+2000; q =25; u =12000; g =32.2; largo = 100; a = zeros(1,largo); v = zeros(1,largo); h = zeros(1,largo...

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