Domanda
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...
quasi 12 anni fa | 1 risposta | 0
1
rispostaRisolto
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 ...
quasi 12 anni fa
Risolto
Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];
quasi 12 anni fa
Inviato
Phase Plane Analysis
GUI for visualizing the direction field of two coupled first order nonlinear differential equations
quasi 12 anni fa | 1 download |
Risolto
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, ....
circa 12 anni fa
Risolto
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...
circa 12 anni fa
Risolto
radius of a spherical planet
you just measured its surface area, that is the input.
circa 12 anni fa
Risolto
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...
circa 12 anni fa
Risolto
Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...
circa 12 anni fa
Risolto
Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
circa 12 anni fa
Risolto
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.
circa 12 anni fa
Risolto
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...
circa 12 anni fa
Risolto
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
circa 12 anni fa
Risolto
Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];
circa 12 anni fa
Risolto
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 = ...
circa 12 anni fa
Risolto
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...
circa 12 anni fa
Risolto
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...
circa 12 anni fa
Risolto
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
circa 12 anni fa
Domanda
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...
circa 12 anni fa | 1 risposta | 0
1
rispostaRisolto
Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
oltre 12 anni fa
Domanda
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 ...
oltre 12 anni fa | 1 risposta | 0
1
rispostaDomanda
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 ...
oltre 12 anni fa | 0 risposte | 0
0
risposteRisolto
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...
oltre 12 anni fa
Domanda
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...
oltre 12 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre 12 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre 12 anni fa | 1 risposta | 0
1
rispostaRisolto
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...
circa 13 anni fa
Risolto
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 =...
circa 13 anni fa
Risolto
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...
circa 13 anni fa