質問
How can I remove parentheses in a symbolic expression and perform the operations for the coefficients?
I cannot use parentheses and / operations in my code because PHClab can't interpret them. So I need to remove them. How can I ma...
12年弱 前 | 1 件の回答 | 0
1
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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...
12年弱 前
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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];
12年弱 前
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Phase Plane Analysis
GUI for visualizing the direction field of two coupled first order nonlinear differential equations
12年弱 前 | ダウンロード 1 件 |
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Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....
約12年 前
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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
約12年 前
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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...
約12年 前
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Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...
約12年 前
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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
約12年 前
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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
約12年 前
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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...
約12年 前
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Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12
約12年 前
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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];
約12年 前
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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...
約12年 前
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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
約12年 前
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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
約12年 前
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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
約12年 前
質問
ButtonDownFcn does not work
I am making a gui, but I can not make use of line 31: set(S.canvas, 'ButtonDownFcn',{@selectedtile,S}); If I am within t...
約12年 前 | 1 件の回答 | 0
1
回答質問
Double precision limit with norm
I wrote a Taylor series approach for calculating the natural logarithm of matrix A. When I compared my result with the built-in ...
12年以上 前 | 1 件の回答 | 0
1
回答質問
MATLAB inverts colors in uicontrol objects
I wrote a GUI application but my problem is that when I save the figure programatically using the saveas command, colors of the ...
12年以上 前 | 0 件の回答 | 0
0
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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...
12年以上 前
質問
How to obtain a warning message?
I would like to extract the warning message, that a function throws. For example syms x solve(sin(1/sqrt(x))) generat...
12年以上 前 | 1 件の回答 | 0
1
回答質問
Overwrite the function handle with a newer state?
I am currently learning from Matt Fig's 41 GUIs. What I do not understand is why he writes this line: set(ln,'buttondownfcn',{@a...
12年以上 前 | 1 件の回答 | 0
1
回答質問
How to pass handle without using nested functions?
I want to make a simple GUI programatically. Here is what I have done so far. function main % Initialize figure and...
12年以上 前 | 1 件の回答 | 0
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...
約13年 前
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De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...
約13年 前
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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...
約13年 前