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# Tsinghua THU

Last seen: nästan 3 år ago Active since 2017

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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...

ungefär 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...

mer än 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...

mer än 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...

mer än 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. ...

ungefär 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...

ungefär 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...

ungefär 6 år ago

Solved

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

ungefär 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...

ungefär 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...

ungefär 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...

ungefär 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...

ungefär 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)...

ungefär 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 ...

ungefär 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)....

ungefär 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 ...

ungefär 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 ...

ungefär 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...

ungefär 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...

ungefär 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 ...

ungefär 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...

ungefär 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...

ungefär 6 år ago