Answered
how to generate random numbers from a distribution which is the convolution of exponential distributions?
i = 0:0.1:10; I1 = 1; I2 = 1; % define as per your requirment p1 = i/(I1^2).*exp(-i/I1); % first exponential function p2...

ongeveer 8 jaar ago | 1

| accepted

Answered
how can i get ode15s ??
[x,y] = ode15s(YourFunction,LowerIntegrationLimit,UpperIntegrationLimit,InitialCondition)

ongeveer 8 jaar ago | 2

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Submitted


Marginal distributions of a bivariate function
This function computes the marginal distributions of each variable in a bivariate function.

ongeveer 8 jaar ago | 4 downloads |

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

ongeveer 8 jaar ago

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

ongeveer 8 jaar ago

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

ongeveer 8 jaar ago

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Importing specific rows of Data from Text file
I think the following code will serve your purpose. I assume that the text file is named as *textFile.txt* , and is saved in you...

ongeveer 8 jaar ago | 1

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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. Example...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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 ...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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 ...

ongeveer 8 jaar ago

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Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

ongeveer 8 jaar ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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 ...

ongeveer 8 jaar 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...

ongeveer 8 jaar ago

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Add two numbers
Given a and b, return the sum a+b in c.

ongeveer 8 jaar ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

ongeveer 8 jaar ago

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Is my wife right?
Regardless of input, output the string 'yes'.

ongeveer 8 jaar 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:...

ongeveer 8 jaar ago

Answered
How can i calculate & plot amplitudes of first 40 harmonics of char and plot the letter ?
I see a couple of problems in the code: First, ampu(n+1) means a scaler, but sqrt(au.^2+bu.^2) is a vector. So, you can form...

ongeveer 8 jaar ago | 1

Answered
2D matrix to 3D matrix given index in the 2D matrix col1
C = sortrows(A,1); indx = 0; for k = 1:size(C,1)-1 if C(k,1) == C(k+1,1) indx = indx+1; ...

ongeveer 8 jaar ago | 1

| accepted

Answered
Generating a for loop and writing data
for i = 1:size(data,1)/8 xx=data(8*i-7:8*i,2:3); yy=data(8*i-7:8*i,1); % append other stuffs here, use loop index to...

ongeveer 8 jaar ago | 1

Question


How can I sum the elements of a symbolic vector?
Hello, I have a symbolic vector X = [1, x1, x2, x1^2, x2^2, x1*x2], where x1 and x2 are symbols. I want to sum the vector so ...

ongeveer 8 jaar ago | 1 answer | 0

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