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Matlab produces empty figure when using plot(x,y,'-')

A = 20 Ap = A; t = 0 tp = t; while t < 20 A = A + 1 Ap = [Ap, A]; t = t + 5 tp = [tp, t]; end figure...

8 months ago | 0

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:...

1 year ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

1 year ago

Solved

Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

1 year ago

Solved

Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

1 year ago

Solved

Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

1 year ago

Solved

Triangle sequence

A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

1 year ago

Solved

Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

1 year ago

Solved

Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

1 year ago

Solved

Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

1 year ago

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. <<https://i.imgu...

1 year 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...

1 year ago

what is the matlab code for image classification using svm classifier to classify the skin diseases

Binary SVM Classification: https://in.mathworks.com/help/stats/support-vector-machines-for-binary-classification.html Multi Cl...

1 year ago | 0

Solved

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

1 year ago

Solved

Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

1 year ago

Solved

Calculate the h-index

H-index is a powerful tool for quantifying the scientific contribution of a researcher. H-index is defined as follows (source - ...

1 year ago

Question

How to find the inclination of the back bone in the attached image?

Hello Everyone... Greetings... I am working with some medical imaging problems. I want to rotate the given image after finding...

2 years ago | 2 answers | 0

### 2

answersAre you able to count the number of pixels in a 3D plot?

@ sui zhi lau, Outside Loop totalData = 0; whitePixData = 40*40*40; Inside Loop redPixData(y) = sum(sqrt(((dx(:,i+1) - dx(:...

2 years ago | 0

how i create a 7 images database and compare with a input image and also save it in a.mat file

Hello Indrani, the code you are using has sepecific format for finger print file reading. you are using dataset DB1 from 'FVC20...

2 years ago | 0

How to run the same code for color image.is any one help me.

@ indrani dalui Try the attached file.

2 years ago | 0

how i create a 7 images database and compare with a input image and also save it in a.mat file

% ICount - Number of FingerPrints % JCount - Number of Images Per FingerPrintICount=7; ICount = 7; JCount = 7; p=0; for...

2 years ago | 0

| accepted

Simple Iterative expression needed solved

w = 1; y = 0; while(y < 10000) % your equation y = sqrt(10*w*w - 4*w + 2); w = w + 1; end disp(w) disp(y)

2 years ago | 0

How to plot two trajectories in Matlab?

Hello Sarah Hamdan, Don't paste code as a image, use option 'Insert aline code' Don't 2 different function body with same func...

2 years ago | 2

How to build on an existing struct 4x4xn matrix?

Hello Happy PhD, Try this one... clc; clear all; A.G(:,:,1) = [1 2 1 1 ; 4 9 5 6 ]; A.G(:,:,2) = [0 1 0 0; 0 6 0 0]; A.G...

2 years ago | 0

| accepted

Help with Image Processing code

Hello BERG, here is code, you code only bit modified . Use the attached 'mask.bmp' image. clc; % Clear command window. clea...

2 years ago | 0

| accepted

Using solve to solve a complex trigonometric equation

Hello Junha Kim, syms x; assume(x>=0 & x<=2*pi); eqn = cos(x)*(1-sin(x)) == 0; [solx, parameters, conditions] = solve(eqn,...

2 years ago | 0

| accepted

Not sure why my code results in a wrong figure. I am trying to simulate 2 dice rolls and counting how many times it takes to roll 2 6s out 10000 trials.

Hello Enkhdul Batkhuyag, Try this one - num_trial=10000; num_until_success=0; for i=1:num_trial,i roll_1=randi(6,1);ro...

2 years ago | 0

| accepted

Save the values of a function in a for loop

Hell Austin Hernandez, you are correct. but Option01 is good. Option 01: function for_test x = 0:1:10; y = zeros(size(x)) ;...

2 years ago | 0

| accepted

Please someone tell me what's wrong with my code, it keeps on returning the message, ''Unrecognized variable of v''. The image below the code is the problem?

Hello There is a problem in the calculation of 'y' in function 'DTask1_f' Calculated value first value is around 2.4, but it ...

2 years ago | 0

| accepted

Hello I need help with for loop incrementing. Filterbanks

Hello Trevon Alvarado, f0=1600; f1=7600; fs=20000; t=0:1/fs:0.5-(1/fs); x1=1*sin(2*pi*f0*t); x2=1*sin(2*pi*f1*t); xin=x...

2 years ago | 0