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# WAT

Active since 2015

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How to remove unwanted elements of a array
If you want to get rid of indices 1 through 3 (for example) then array(1:3) = [];

6 years ago | 1

How can I automatically create n variables in a matlab function
As far as I can tell a cell array will absolutely do what you want it to. For example, A = cell(1,2); A(1) = {[1,2]}; A...

6 years ago | 0

Creating a diary that is not appended to an existing one.
if (exist(filename)) delete(filename); end

6 years ago | 0

two variables with known values in equations; use loop in matlab
It's a little unclear from your question, but if you mean you have 3 dependent variables (x,y,z) each observed at 5 different va...

6 years ago | 1

Count the number of occurrences of elements in second column
Try something like [uniqNames, ia, ic] = unique(Activities(:,2)); % find unique days ia = [ia; 1+length(ic)]; Result ...

6 years ago | 0

EMERGENCY! A mistake or bug? Could you help me?
From your post: The answer produced by matlab is (u11 - x1)^2 + (u12 - x2)^2 + (u13 - x3)^2...

6 years ago | 1

How to use for loops to calculate the determinant of the first n powers of 2x2 matrix (A) without using the implicit Matlab command "det"
You're going to want a function that takes A and n as inputs and either returns a string or nothing at all. That would look l...

6 years ago | 0

| accepted

Cell array display within if statements
It looks like your different cases are being applied differently by the MATLAB accelerator. For example, when I set feature...

6 years ago | 0

| accepted

Is it possible to make alias for a variable?
The short answer is no, you're describing something similar to a pointer.

6 years ago | 0

Solve the following equation systems using the inverse matrix and MATLAB
Start by checking out <http://www.mathworks.com/help/matlab/ref/mldivide.html backslash> and <http://www.mathworks.com/help/matl...

6 years ago | 0

Cubic Spline Interpolation and Plotting??? Question inside
http://www.mathworks.com/help/matlab/ref/spline.html Pay attention to the examples.

6 years ago | 0

Hermitian transpose of a vector with complex elements
Isn't that just the ' operator? IE, if v is your vector then you want v'?

6 years ago | 0

How to shade area of Integral
It sounds like you want the area() function. http://www.mathworks.com/help/matlab/ref/area.html

6 years ago | 0

Remove duplicate variables depending on a variable in a second column
Give something like this a try: ppn = [ {'BG1026';'BG1027';'BG1027';'BG1028';'BG1028';'BG1028';'BG1029';'BG1029';... 'B...

6 years ago | 1

| accepted