Error using network/train (line 340)
Inputs and targets have different numbers of samples.

Error in train_neural_network (line 14)
net = train(net, x, y);

clc; close all; clear all;

filename = 'D:Raneen.xlsx';
sheet = 1;
xlRange = 'A2:D23';
ylRange = 'E2:G23';
x = xlsread(filename,sheet,xlRange);
y = xlsread(filename,sheet,ylRange);

net = newff(minmax(x),[20,1],{'logsig','purelin','trainlm'});
net.trainparam.epochs = 8000;
net.trainparam.goal = 1e-25;
net.trainparam.lr = 0.01;
net = train(net, x, y);

y_net = net(x);