Community Profile # Li Qing

Last seen: ungefär 2 månader ago Active since 2021

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Solving Constrained Convex Optimization Problems Using Gradient Descent

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Question

Errors I have never encountered：Error using randg
Error using randg SHAPE must be a full real double or single array. This error keeps appearing when generating beta random num...

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Question

Who saved the programs provided on the website?
Hello everyone,who saved the program provided in the following website? This is the MATLAB code provided by the author of the do...

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

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Create a vector
Create a vector from 0 to n by intervals of 2.

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

Question

How can I simulate the movement of a node?
The mobile sensor node sends a message every 10m. How can I use MATLAB to simulate the mobility of the node?

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

ungefär ett år ago

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Find max
Find the maximum value of a given vector or matrix.

ungefär ett år ago

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

ungefär ett år ago

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Inner product of two vectors
Find the inner product of two vectors.

ungefär ett år ago

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

ungefär ett år 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...

ungefär ett år ago

Question

How do I make the time control program run?
Now, there are two parts of the program, represented by code1 and code2. In 1000 seconds, code1 runs every 10 seconds. After cod...

ungefär ett år ago | 1 answer | 0

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Question

How can I simulate the tension on the sensor?
For a three-dimensional coastal monitoring environment, underwater acoustic sensor nodes are all equipped with air pumps and anc...

ungefär ett år ago | 1 answer | 0

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Solved

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 ...

mer än ett år ago

Solved

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:...

mer än ett år ago