Solved

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...

8 days ago

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

8 days ago

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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. Examp...

8 days ago

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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...

8 days ago

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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...

8 days ago

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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 ...

8 days ago

Solved

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]; ...

8 days ago

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04 - Scalar Equations 1

Define the variable a: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> Use this to calculate x: <<http://samle.dk/STTBD...

9 days ago

Solved

Pizza!

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

9 days ago

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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...

9 days ago

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Determine if input is odd

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

9 days ago

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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 ...

9 days ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

9 days ago

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:...

2 months ago

Question

readmatrix for single Excel cells

My data is stored on a single Excel file, where each sheet containts several numeric matrixes. I imported all the variables succ...

3 months ago | 1 answer | 1

Question

SimEvents: Why do I get the error "undefined function or variable 'out1'" in testEntry method?

I have modeled a simple server that encounters failure. I want the testEntry method to close the gate of Storage1, when the Fail...

5 months ago | 1 answer | 0

Question

SimEvents: Which entity type should event actions be assigned to? Invoker type or target type?

Event actions of MATLAB discrete-event system should be named according to this rule: entityType + eventAction. The rule is rath...

9 months ago | 1 answer | 0

Answered

How to create bus object within MATLAB discrete-event system, without having to load it in workspace?

My question is that can I generate entities and attributes (bus objects) with DES block without predefining them in the base wor...

How to create bus object within MATLAB discrete-event system, without having to load it in workspace?

My question is that can I generate entities and attributes (bus objects) with DES block without predefining them in the base wor...

9 months ago | 0

Question

How to create bus object within MATLAB discrete-event system, without having to load it in workspace?

I know that in MATLAB discrete-event system blocks, the entities are bus objects and I know that I can create bus objects in the...

10 months ago | 2 answers | 0

Question

Is there more documentation or examples on SimEvents observer?

SimEvents has an interesting feature named "Observer" which is used to create custom visualizations for SimEvents blocks. Althou...

10 months ago | 1 answer | 0

Question

Simevents: change the server capacity during simulation

I know that server capacity and initial resource amount can not be changed during simulation (the question has been asked before...

10 months ago | 1 answer | 0

Question

Simevents discrete-event system documentation does not include some of variable-input syntaxes

I noticed that in this example, the WheelEntry method invokes an eventIterate action with just 2 inputs and works just fine, but...

10 months ago | 1 answer | 0

Question

SimEvents: Is it possible to generate an event-based entity with specific attribute values defined in the caller block's event action?

For example consider Simevents' example for event-based entity generation: The Entity Terminator block calls the simulink fun...

11 months ago | 1 answer | 0

Answered

Where can I find Enumeration values in Simulink

I had the same problem. With trial and error with different blocks and plotting the results, I found out the following: 0 No...

Where can I find Enumeration values in Simulink

I had the same problem. With trial and error with different blocks and plotting the results, I found out the following: 0 No...

11 months ago | 0

Question

Why fmincon's interior-point algorithm gives infeasible points for feasibility problem?

I am creating an initial feasible population for my optimization problem along the lines of this. I tried the technique with dif...

11 months ago | 0 answers | 0

Answered

How to create random seed to have different results at each simevents run???

There is a block named 'Random Integer Number' or something like this that can produce different seed for your iterations even w...

How to create random seed to have different results at each simevents run???

There is a block named 'Random Integer Number' or something like this that can produce different seed for your iterations even w...

12 months ago | 0

Answered

Function behaves normally except when being called by another function

Sorry dpb, it was my fault. The fitness function is called more than one time in the main algorithm, the last of which passes a ...

Function behaves normally except when being called by another function

Sorry dpb, it was my fault. The fitness function is called more than one time in the main algorithm, the last of which passes a ...

1 year ago | 0

Question

Function behaves normally except when being called by another function

I am writing a code to evaluate the fitness function for evolutionary optimization purposes. The fitness function for the feasib...

1 year ago | 1 answer | 0