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# Tsinghua THU

Last seen: nästan 3 år ago Active since 2017

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Question

matlab compiler output exe can't run in win10
I use matlab app (Application Compiler) to compiler one *.mlapp to *.exe,the *.exe can work in win7 or win8,but not work in win...

nästan 5 år ago | 0 answers | 0

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How to specify the criterion for sequentialfs?
Do you kown what meaning the sentence starting from fun is.I also meet this question.Strcmp is used to compare two character dat...

ungefär 5 år ago | 0

Question

Can't install Matlab R2017b on macOS 10.12
I have just downloaded Matlab R2017b and tried to install it on my Mac with macOS 10.12.However when I double-clicked the instal...

ungefär 5 år ago | 0 answers | 0

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Question

I have successfully generated the code from the matlab, but I don't kown how to use these codes in the embedded equipment.
Matlab coder generates so many codes, so that I don't kown which can be used in the embedded equipment. In the many codes, I see...

ungefär 5 år ago | 1 answer | 0

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Question

Sparse matrix in optimization
Matlab sparse matrix is powerful and quite efficient. I am working on some optimization problems where in each iteration a large...

mer än 5 år ago | 1 answer | 0

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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 5 år ago

Solved

square number
Square a number

mer än 5 år ago

Solved

Find the area of the four walls
If length, breadth and height of the walls are given, find the area of the four walls.

mer än 5 år ago

Solved

Square a Number
Given an input x, return y, which is equal to the square of x.

mer än 5 år ago

Solved

Rounding
Round 10.67 and make 'y' equal to that number.

mer än 5 år ago

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 5 år ago

Question

Excute ANSYS batch code by 'system' in Matlab 2016b
I need to excute ANSYS 15.0 batch code, the code is successfully runned in the ANSYS APDL platform. However, when I used the com...

nästan 6 år ago | 0 answers | 0

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Solved

N-Dimensional Array Slice
Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

nästan 6 år ago

Solved

letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

nästan 6 år ago

Solved

Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

nästan 6 år ago

Solved

Space Saver
Remove all characters that are below a space in ASCII value.

nästan 6 år ago

Solved

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

nästan 6 år ago

Solved

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

nästan 6 år ago

Solved

Removing rows from a matrix is easy - but what about inserting rows?
Assume A is a 5-by-5 matrix. A([2,4],:) = [] is a quick way to remove rows 2 and 4. Can you find a quick way to insert rows into...

nästan 6 år ago

Solved

Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

nästan 6 år ago

Solved

Matrix with different incremental runs
Given a vector of positive integers a = [ 3 2 4 ]; create the matrix where the *i* th column contains the vector *1:a(i)...

nästan 6 år ago

Solved

Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

nästan 6 år ago

Solved

Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

nästan 6 år ago

Solved

Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

nästan 6 år ago

Solved

surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

nästan 6 år ago

Solved

Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

nästan 6 år ago

Solved

Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

nästan 6 år ago

Solved

Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

nästan 6 år ago

Solved

Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

nästan 6 år ago

Solved

Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

nästan 6 år ago