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Carla

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Last seen: circa un mese fa |  Attivo dal 2011

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

9 mesi fa

Risolto


Return area of square
Side of square=input=a Area=output=b

9 mesi fa

Risposto
Why do AnalysisPoints change the results of systune optimization?
Hello there. The addition of analysis points does not change the system dynamics, but it does change the underlying LFT model. ...

quasi 5 anni fa | 1

| accettato

Risposto
Why do state space and its equivalent transfer function models yield different step responses?
Hi there, Examine the state-space model sys_ss: >> sys_ss Note that it has a non-unity E matrix. This happens becaus...

oltre 9 anni fa | 0

| accettato

Risposto
Error simple program PID
Is there a reason you need to do this with syms? At least in the code you showed, it doesn't look like you are using any Symbol...

oltre 10 anni fa | 0

Risposto
How can I use 'name' to specify input/output pairs between two systems connected in an LFT arrangement?
If I understand what you want to do, you can assign values to the InputName and OutputName properties of your state-space models...

oltre 10 anni fa | 0

| accettato

Risposto
Getting bode plot for a circuit in Simulink
Looking at your screenshot of the Linear Analysis tool, it appears that you trying to obtain a linear model using the Model I/Os...

oltre 10 anni fa | 0

Risposto
How do I specify which toolbox a function should be used from?
MATLAB determines which freqresp to use based upon what type of input you give it. The first argument to the Control System Too...

oltre 10 anni fa | 1

| accettato

Risposto
Matlab, Simulink, which block?
Perhaps what you want is the Gain block, with the gain value set to 0.5. This takes an input and multiplies it by 0.5, to outpu...

oltre 10 anni fa | 0

| accettato

Risposto
Does the bode function automatically converts the vector points into decibels?
The *bode* function of Control System Toolbox will plot the frequency response of a transfer function in dB. The function can a...

quasi 11 anni fa | 1

Risposto
Why can't I find the number 1.7?
It's because your computer can't store decimal numbers in an exact form - there is always small but finite roundoff error in flo...

quasi 11 anni fa | 1

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...

quasi 11 anni fa

Risolto


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

quasi 11 anni fa

Risolto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

quasi 11 anni fa

Risolto


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

quasi 11 anni fa

Risolto


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

quasi 11 anni fa

Risolto


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

quasi 11 anni fa

Risposto
>> R1=1; L=10e-3; C1=10e-6; R2=10; A=[-R1/L -1/L;1/C1 -1/(R2*C1)]; B=[1/L;0]; C=[0 1]; D=[0]; step(A,B,C,D),grid >> bode(A,B,C,D),grid ??? Error using ==> lti.bode at 95 Plots must be of the same type and size to be superimposed. Error in ==> bode a
I do not get the error you see. Do you have a hold in between the step command and the bode command that you did not show here?...

quasi 11 anni fa | 1

| accettato

Risolto


Try 1.5.4: Celsius to Fahrenheit
Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

circa 11 anni fa

Risolto


Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

circa 11 anni fa

Risolto


middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

circa 11 anni fa

Risolto


Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

circa 11 anni fa

Risolto


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...

circa 11 anni fa

Risolto


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

circa 11 anni fa

Risolto


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

circa 11 anni fa

Risolto


Is my wife right?
Regardless of input, output the string 'yes'.

circa 11 anni fa

Risolto


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

circa 11 anni fa

Risolto


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

circa 11 anni fa

Risolto


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

circa 11 anni fa

Risolto


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 ...

circa 11 anni fa

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