For example, consider a MAT-file with variables height, width, and length. If you load these variables in a function such as findVolume, MATLAB interprets the reference to length as a call to the MATLAB length function, and returns an error. function vol = findVolume(myfile) load(myfile); vol = height * width * length; end. Error using length Not enough input arguments.
This is an inflammation of the esophagus that causes swelling and makes it more difficult to swallow. When food gets stuck, itâs called an esophageal bolus impaction. How can I tell that food is stuck in my esophagus? It occurs while eating a meal. You may experience pressure in your chest.
But a swallowed object can scratch, irritate, or puncture the digestive tract, causing bleeding. Blood in the vomit can appear bright red or look like coffee grounds (partially digested blood) and usually comes from the stomach, esophagus, or throat.ou may not have any symptoms when something is stuck in your esophagus. But when symptoms are present, they may include: 1  Rapid, noisy, or high-pitched breathing. 2  Increased drooling. 3  Trouble swallowing, pain when swallowing, or complete inability to swallow. 4  Gagging. 5  Vomiting.