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Bohan Liu


Rwth Aachen University

Actif depuis 2016

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Question


Chinese characters in html not recognized
Hi there! I need to read and parse some Chinese characters in some html files and save later into an excel worksheet. An examp...

plus de 5 ans il y a | 2 réponses | 0

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réponses

Question


Display signals from the activated variant subsystem in a sleek manner
Hi there! I am using a variant subsystem to run simulations controlled by conditions. I wonder if there is a sleek way, preferab...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


How to set initial values for the start of a feedback loop in Simulink
Hi, there! I am trying to incorporate a thermal model of electric motor into the full vehicle model. The thermal model takes los...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


How to assign a signal to the block parameter of simscape electric block(resistor)?
Hi, there! I would like to pass the output signal of a subsystem as the block parameter to the resistor block of simscape electr...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


Surface fit to determine the coefficients of a hypothetical equation
Dear all! As is mentioned in the title, I have to perform a surface fit to figure out coefficients of an analytical model. The e...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


What is the possibly easiest way to convert back and forth between a struct scalar and a struct array?
Suppose there is a struct scalar, each field of which contains a numeric array of the same size. I would like to convert it into...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


How to remove cells that look seemingly like newline character from cell array?
Dear all, I am involved in a task of analyzing and processing txt file. After converting the txt file line by line into cells, I...

plus de 6 ans il y a | 2 réponses | 0

2

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Réponse apportée
How to take first Character if name starts with specified string
Hi,using regexp function with lookaround assertions is a feasible walkaround for loops. Funnily enough, there is a glitch in th...

plus de 6 ans il y a | 0

A résolu


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...

plus de 6 ans il y a

A résolu


Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

plus de 6 ans il y a

A résolu


Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

plus de 6 ans il y a

A résolu


Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

plus de 6 ans il y a

A résolu


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

plus de 6 ans il y a

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

plus de 6 ans il y a

A résolu


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

plus de 6 ans il y a

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

plus de 6 ans il y a

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

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Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

plus de 6 ans il y a

A résolu


Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

plus de 6 ans il y a

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Finding peaks
Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

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Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

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Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

plus de 6 ans il y a

A résolu


Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

plus de 6 ans il y a

A résolu


"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

plus de 6 ans il y a

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