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Question

Why Matlab tells the following A*A^T matrix is not a positive Semi-definite Matrix ?
M = [ 1.0000 0 0 0 0 0;... 0 0.9803 -0.0000 -0.0000 -0.0984 0.0984;...

20 hours ago | 1 answer | 0

### 1

Question

Why matlab live editor and matlab script gives different rank calculation result for the same matrix ?
I suddenly found matlab is misundesrstanding this matrix and checked it with matlab live editor. Then, matlab live gives the...

2 days ago | 2 answers | 0

### 2

Solved

matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

24 days ago

Solved

Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

24 days ago

Question

Why is it so hard for MATLAB to solve the following symbolic equation
syms rp alpha beta theta psi z A=cos(alpha)-cos(beta); B=sin(alpha)-sin(beta); C=(cos(beta)-1)/tan(beta)-(cos(alpha)-1)/tan(a...

2 months ago | 1 answer | 0

### 1

Question

Solving trigonometric equation (decoupling)
I wanted to solve as a function of other variables Is is possible to decouple this equation ? Even matlab symbolic gave m...

2 months ago | 2 answers | 0

### 2

Question

Numerical integration RK4 for the given data
I have the angular veocity data shown below and wanted to apply , where. w Columns 1 through 9 5.0468 0.1049 -0....

2 months ago | 1 answer | 0

### 1

Question

Symbolic Derivative in matlab
Can matlab diffrentiate F with respect to , and only ?. Any help is apperciated

2 months ago | 1 answer | 0

### 1

Question

Output argument "St" (and maybe others) not assigned during call to "function ".
I got an error Output argument "St" (and maybe others) not assigned during call to "get_StCarretero". Error in InverseVeloc...

2 months ago | 0 answers | 0

### 0

Question

Evaluate gradient function in the for loop.
is a function dependent on time. It is n the function and need to be differentiated to get and the differentiation should pa...

2 months ago | 1 answer | 0

### 1

Question

Interpolating angle between -0.2 to 0.2 rad
Can anyone help for a valid interpolation of an angle from -0.2 to 0.2 to give 1001 points in between? SLERP is not doing this ...

2 months ago | 1 answer | 0

### 1

Question

Algorithm to extract linearly dependent columns in a matrix
Is there any general or standard approach to extract columns that are linearly dependent from the given matrix ? Thanks and an...

3 months ago | 3 answers | 0

### 3

Question

Interpolating the data given between -pi and pi
I have the following program and wanted to get the value between - and . But the program I made below only gives . Any help is ...

3 months ago | 1 answer | 0

### 1

xlswrite multidimensional array in one sheet.
This works, in any case if someone need it T=matrix ; for j=1:length(matrix) T(8*(j-1)+[1,dim(matrix)],:)=matrix(:,:,j) ...

5 months ago | 0

| accepted

Question

xlswrite multidimensional array in one sheet.
I tried to export 6 x 6 x 1000 matrix from matlab to exel. However, the xlswrite overwrite it. I used the following loop to ...

5 months ago | 2 answers | 0

### 2

Submitted

This program is to solve inverse kinematics of four-bar linkage. Graphics simulation is included to see the solution on board.

Solved

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 ...

6 months ago

Submitted

Euler-angle-based-rotation-matrix
In this program the ZYX euler angle sequence is used to simulate a platform fixed at some constant height. The rotation is done ...

Question

quat2eul(quat) and dcm2Angle(R) difference for ZYX sequence
I've converted a quaternion to Euler angle using quat2eul(q,'ZYX') and a rotation matrix to Euler angle with function dcm2Angle(...

6 months ago | 2 answers | 0

### 2

Solved

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

6 months 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...

6 months ago

Solved

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

6 months ago

Solved

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

6 months 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:...

6 months ago

Question

Integrate 61 x 3 tabular data using Runge Kutta
I have a 61 x 3 velocity data and wanted to integrate using Rung Kutta integrator? I know how to integrate when I have a funct...

6 months ago | 2 answers | 0

### 2

Question

Subscript indices must either be real positive integers or logicals while k starts from 1 .
% I've fun_dquat called by another function RK4 as shown below. Error says, Subscript indices must either be real positive inte...

6 months ago | 1 answer | 0