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Carla

MathWorks

Last seen: 16 Tage vor |  Aktiv seit 2011

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Gelöst


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.

etwa ein Jahr vor

Gelöst


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

etwa ein Jahr vor

Beantwortet
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. ...

etwa 5 Jahre vor | 1

| akzeptiert

Beantwortet
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...

mehr als 9 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 11 Jahre vor | 0

Beantwortet
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...

fast 11 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 11 Jahre vor | 0

Beantwortet
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...

fast 11 Jahre vor | 1

| akzeptiert

Beantwortet
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...

etwa 11 Jahre vor | 0

| akzeptiert

Beantwortet
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...

etwa 11 Jahre vor | 1

Beantwortet
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...

etwa 11 Jahre vor | 1

Gelöst


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...

etwa 11 Jahre vor

Gelöst


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...

etwa 11 Jahre vor

Gelöst


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

etwa 11 Jahre vor

Gelöst


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 ...

etwa 11 Jahre vor

Gelöst


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...

etwa 11 Jahre vor

Gelöst


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

etwa 11 Jahre vor

Beantwortet
>> 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?...

etwa 11 Jahre vor | 1

| akzeptiert

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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)).

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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 ...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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 ...

mehr als 11 Jahre vor

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