semilogx

Semilog plot (x-axis has log scale).

Syntax

• semilogx(X, Y)
• semilogx(X, Y, LineSpec)
• semilogx(Y)
• semilogx(Y, LineSpec)
• semilogx(ax, ...)
• semilogx(..., propertyName, propertyValue)
• go = semilogx(...)

Input argument

• X - Log scale coordinates: scalar, vector or matrix.
• Y - Linear scale coordinates: scalar, vector or matrix.
• LineSpec - Line style, marker, and/or color: character vector or scalar string.
• ax - a scalar graphics object value: parent container, specified as a axes.
• propertyName - a scalar string or row vector character. see help of 'line' for property list.
• propertyValue - a value.

Output argument

• go - a graphics object: line type.

Description

semilogx(X, Y) plots data using a base 10 logarithmic scale for the x-axis and a normal (linear) scale for the y-axis.

semilogx has the exact same syntax as the plot command.

Examples

f = figure();
x = logspace(-1,2);
semilogx(x, x);
grid on

f = figure();
x = logspace(-1, 2, 15);
y = 13 + x;
semilogx(x, y, 'x', 'MarkerFaceColor', [0 0.447 0.741])
grid on

See also

semilogy, line, plot, grid.

History

Author

Allan CORNET