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¿Cómo puedo encontrar los indices de un arreglo con valores repetidos con la función find y operadores relacionales?
Yo pienso que si te interesan las posiciones de los valores es mejor poner lo siguiente: n=find((A<4)&(A~=0))

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display result (numbers)
intent with the format command format long

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if greater than in for loop
seven=(seven>100).*(seven-25)+(seven<=100).*seven;

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Can someone rearrange the code to run
%subdivisions space /time ht=0.01; Tmax=1.2; nx=33; hx=1/(nx-1); x=[0:hx:1]'; %matrices K=stiff2(1/pi^2,hx,nx); M=mass(1/ht,h...

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3d line plot help
Using this function: function Y = Piecewise(X1,X2) T = linspace(-7.5,17,120); N = length(T); for n = 1:N if X1(n) > 0 ...

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How to Rotate the Ellipses at calculated angle?
%cov is 2x2 covariance matrix that is generated through a long process t = 0:0.1:2*pi; %time axis %Xest is center of ellipse a...

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Function returning matrix instead of vector
f=@(xf,xdata)xf(1)*(xf(4)+((xf(2)-xdata)/(xf(3)/2))).^2./(1+((xf(2)-xdata)/(xf(3)/2)).^2)

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Missing inputs to distance function
First you need to put you trajectory of the directory, in my case I put this path(path,['/Users/rafaelhernandezwalls/Downloads/...

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Plotting with nested for loops
syms y t=[0 pi 2*pi]; a=[5 10]; for k=1:length(a) for j=1:length(t) f=a(k)*sin(t(j)*y); figure ...

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Plot solutions to a multi variable system: x + 2y + 3z = 4
if using mesh, and plot3 [y,z]=meshgrid(-4:.1:4,-4:.1:4); x=4-3*z-2*y; mesh(y,z,x) plot3(x,y,z,'o');

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Binary code (array)
Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

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How do I get a loop to return all the values that I am looking for at one time?
e=0:200:11000; i=1:length(e) Re=6.37e6; g0=9.80665; g=g0*((Re^2)./((e(i)+Re).^2))

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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...

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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

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Square
X is a number, write a code, where Y should be the square of X.

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

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Which method is MATLAB use in poly2 to do a curve fitting?
% -- FT is a string or a FITTYPE specifying the model to fit. % % If FT is a string, then it may be: % % FITTYPE ...

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how can I give each subplot a different title?
figure conRR=linspace(1,100,100); conRR(:,2)=sin(conRR(:,1)); conRR(:,3)=sin(conRR(:,1)); conRR(:,4)=sin(conRR(:,1)); conRR...

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Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

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Pad zero between every adjacent values of the vector.
you are given a vector x. you have to make an output vector y with zeros padded between every adjacent values of x. e.g x: ...

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Times 10
Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...

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Find the mean of a 2-D matrix after excluding elements of specified sub-matrix
You need to find the mean of a 2-D matrix after excluding elements which form an inner sub-matrix. e.g. If the input 2-D matrix ...

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Perimeter of a square!
Calculate the circumference of the square whose side is n

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Find my daddy long leg (No 's')
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

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Get the area of ​​the square.
Four circles are inscribed in the square ABCD. The perimeter of each circle is *aπ*. <<http://imgfz.com/i/UzgCJut.png>> Gi...

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Spiral Out - 01
Create a spiral matrix ( clock-wise direction ) of size n. Try to do that without using the built-in function.

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Compute the missing quantity among P, V, T for an ideal gas
Consider 100 mol of helium gas at a certain pressure (P), volume (V), and temperature (T). Assuming that the ideal gas law appli...

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Equilateral Triangle
The length of one side of the equilateral triangle is a. Calculate the area of ​​the equilateral triangle.

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Newton's Motion Law
F is force, m is mass, and a is acceleration. Calculate the force for an object.

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Momentum of an Object
P is momentum, m is mass, and v is velocity. Calculate the momentum for an object.

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