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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

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

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

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Add two numbers
Given a and b, return the sum a+b in c.

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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 ...

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

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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...

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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 ...

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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...

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

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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:...

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How to arrange names in alphabetical order
You can use the SORT command: <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/sort.html> An example: names ...

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Design Iterative PID Tuner using MATLAB and Simulink
There is not a single solution, so let me list some ideas on how to approach your problem: - It seems that you look for the q...

más de 14 años hace | 0

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Using a for loop to change matrix dimesnsions
I can suggest you an approach without FOR loops that's more synthetic and is not suffering of the changing size issue: %% Tes...

casi 15 años hace | 0

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How to find row number
The command MAX will do the work. The second output is exactly the index of the max value. <http://www.mathworks.com/access/hel...

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program to get the user to enter the values
If you are expecting a command line input you can use the INPUT command: <http://www.mathworks.com/access/helpdesk/help/techd...

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Building PID without transfer functions
You can also create your PID (discrete) block on your own based on the difference equations. y(k) = yp(k) + yi(k) + yd(k) ...

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Basic Function Error (Plot Related
You should use the element by element power elevation ".^". Without the "dot" you are trying to do the power of a matrix and thi...

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How to generate a vector with the required values
The syntax: x=[.1:.1:.9] is creating a vector incrementally and due to Floating Point arithmetic approximation the obtai...

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Variable into block "from workplace"
From Workspace block should have a first column representing time and then your data columns. This should work fine: data ...

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Problem with origin and plotting axes
Your code is basically: plot([1 1]'); and is represented by a line with first point(1,1) and second point (2,1) (giving ...

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Can MATLAB Fcn block output a bus?
The MATLAB function block is not able to create a bus. We strongly suggest the use of the Embedded MATLAB function that allo...

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problem with positioning in GUI
If you are working with normalized units you should use position values between 0 and 1 to set the position. The following co...

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Are there any functions for taking the most/least significant digits from a given value?
If I'm correctly understanding your question you would like to extract some digits from a number. The mathematical approach ...

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is it possible to fit two curves (real and imaginary part) at the same time?
You need to separate the real and imaginary part and fit them individually. An example of this approach is available in the fol...

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Create a vector x with the elements
You can use vector operations on the vector n with elements from 1 to 100: x = (-1.^n + 1/2*n -1); to create the x vecto...

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Read each columns of xls,csv,... as a matrix
To read an Excel file you should use XLSREAD: <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/xlsread.html> The...

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Storing multiple values in one location of matrix
If your need is to place the single digits to create a bigger number if you would like to avoid passing through string conversio...

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How do I get pretty symbolic expressions in MATLAB using fancy?
The FANCY function on the MATLAB newsgroup is not part of standard MATLAB. To make use of that code you need to copy it from the...

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